Flame Retardant for PBT
| HS Code | 200823 |
| Appearance | Typically a powder or granular form |
| Chemical Composition | Contains elements like bromine, phosphorus, etc., depending on type |
| Melting Point | Varies, but often in the range of several hundred degrees Celsius |
| Thermal Stability | Good, can withstand PBT processing temperatures |
| Flame Retardant Efficiency | High, reduces flammability of PBT effectively |
| Compatibility With Pbt | Excellent, blends well without significant negative impact on PBT properties |
| Mechanical Property Impact | Minimal impact on PBT's mechanical strength in proper dosage |
| Hydrolysis Resistance | Moderate to high, maintains flame retardant performance in humid conditions |
As an accredited Flame Retardant for PBT factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | PBT flame retardant packaged in 25 - kg bags for easy handling and storage. |
| Storage | **Storage of Flame Retardant for PBT** Flame retardant for PBT should be stored in a cool, dry place away from direct sunlight and heat sources. Keep it in a well - ventilated area to prevent the build - up of potentially harmful vapors. Store in tightly - sealed containers to avoid moisture absorption, which could affect its chemical properties and effectiveness. |
| Shipping | Flame Retardant for PBT is shipped in secure, sealed containers. Compliance with chemical shipping regulations ensures safe transit. Special handling may be required due to its nature, with proper labeling for hazard awareness. |
Competitive Flame Retardant for PBT prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.
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Tel: +8615380400285
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Historical Development
Since the invention of polybutylene terephthalate (PBT), its material is tough and chemical-resistant, and it is widely favored by equipment manufacturing. However, the disadvantages of flammability are often worried by craftsmen. So there are people with lofty ideals who devote themselves to the development of flame retardants. At the beginning, halogen-based products were the main ones, which were full of smoke poison and damaged the environment when burned, which caused the world to be alarmed. By the end of the 20th century, the green concept was on the rise, halogen-free flame retardants were in the ascendant, and phosphorus and nitride combined became the mainstream. After testing, the performance and environmental protection have advanced. Today's PBT flame retardants are not only used to suppress fire and flame, but also can take into account mechanics and durability. They are used in automobiles, electronics and other fields. The new materials of the past rely on the improvement of flame retardant technology to promote industrial progress and benefit the society.
Product Overview
This product is a flame retardant additive of polybutylene terephthalate (PBT), which is specially designed to improve the fire resistance of materials. Its temperature and efficacy are accurate, and it can significantly inhibit combustion and slow down the spread of fire when applied slightly. Its structure is compatible with PBT resin, easy to mix, and evenly dispersed, without damaging the original mechanical and electrical properties of the substrate. When applied, it can be used in many fields such as automobile parts, electrical components, and household appliance shells to ensure that the precipitation of smoke and harmful gases in the event of fire in the product is minimized. It has both heat resistance and migration resistance, and the flame retardant effect of the product will not fade after long-term use. It is an important auxiliary agent in the plastics industry.
Physical & Chemical Properties
Flame retardants are used for PBT, with fine quality, mostly white or yellowish color, powder or granular form, and uniform dispersion. Its melting point is constant, difficult to melt, heat-resistant and temperature-resistant, and stable at room temperature. Those that dissolve in water are rare, more insoluble in water, and more difficult to compatible with organic solvents such as alcohols, esters, and benzene. Stable in nature, easy to decompose during storage. In case of high temperature, heat to decomposition, during which the release of flame retardant gas, blocking the spread of flame. Chemical properties Inert, polymer structure is ever-changing, but its main components are mostly phosphorus, bromine and the like, can be well blended with PBT resin, evenly dispersed, improve its safety, widely used in electronic and electrical and automotive fields. Either antistatic or solidification depends on its unique physical and chemical advantages.
Technical Specifications & Labeling
This product is a PBT flame retardant, its properties are white or light yellow powder, slightly odorous, fine particle size and good dispersion. The specific gravity is about 1.8-2, the melting point is between 200 and 230 degrees Celsius, the decomposition temperature is over 290 degrees Celsius, the heat resistance is exceptional, halogen-free and environmentally friendly. The flame retardant grade can reach UL94 V-0. The compatibility is better than that of various polyester materials, and the suitable dosage is generally between 8-15%. The product is non-toxic, low volatility, and suitable for injection molding and extrusion process. The content of chlorine and bromine does not exceed the national standard, and the harmful heavy metal index conforms to the European Union ROHS specification. The packaging is mostly in a 25kg woven bag, lined with PE film, stored in a dry and ventilated place, moisture-proof and sun-proof, and the storage period is two years.
Preparation Method
Use dimethyl phthalate 1,4-butanediol as a substrate, add phosphorus, bromine or nitrogen-containing flame retardant compounds, such as dimethyl trioxide, decabromodiphenyl ether or melamine, and mix them in proportion. In the polymerization process, the ester is first crossed down to form a medium, and then the polymerization is carried out at a high temperature. The catalyst is often used to promote the polymerization of gold such as acetic acid and acetic acid, or a combination of chemical compounds to promote the polymerization. Its reverse treatment, the gold accelerates the activation of the alcohol group, accelerates the fusion of methanol or water, and increases the yield. The resulting polyester is melted and mixed, and the flame retardant is uniformly dispersed to form flame retardant PBT particles. The whole process is complete in terms of the degree of control and strength of the parts, the degree of polymerization and the flame retardant effect.
Chemical Reactions & Modifications
PBT is polybutylene terephthalate, which has excellent material properties, but it is flammable and limited in application. Therefore, it is necessary to explore the chemical reaction in the modification of flame retardants. Commonly used are brominated, phosphorus-based, and inorganic flame retardants. Brominated flame retardants decompose and release halogens at high temperatures, cut off the free base chain of combustion, and dissipate heat. Phosphorus-based flame retardants generate phosphate esters during combustion, which promote the formation of a carbon layer on the surface of PBT and isolate oxygen. There are also inorganic metal hydroxides, which release moisture when heated, absorb heat and cool down and dilute flammable gases. However, during the modification process, the flame retardant needs to cooperate with the PBT polymer chain, so as not to hinder the flow and mechanical properties of the resin. Optimize the ratio and reaction conditions, and achieve both flame retardancy and physical properties, suitable for harsh applications
Synonyms & Product Names
The interpretation of "Flame Retardant for PBT" refers to the use of flame retardants in the material of polybutylene terephthalate (PBT). As the market says, there are many synonyms, such as "PBT flame retardant", "polyester flame retardant additive", "PBT flame retardant additive", "PBT fire retardant" and "PBT flame retardant", all of which are used here. As for the trade names, they have their own ingenuity: there are "UL94 flame retardant master", there is the number "Anbao PBT shield", and there are also people who are called "flame barrier" and "tranquility guard". In trade, it may be hidden by codes, such as "FR-PBT100", or it may be represented by brands, such as "so-and-so flame retardant treasure". However, such a name does not depart from the original intention of flame retardant, although the name is different. It is displayed with additional teaching materials, or added to the electrical shell, or mixed with automotive parts, all rely on its security as a barrier. Therefore, on this product, although the name is complex, the main purpose is that the protective material is non-flammable, and it will never change.
Safety & Operational Standards
Where the use of PBT flame retardant, its safety is not related to the operator's life, should be cautious. First to the warehouse room, fire and explosion-proof is the most important, need to be stored in a dry and ventilated place, away from the fire source heat. Utensils should be sealed to prevent moisture absorption and deterioration, packaging is intact to prevent loss and leakage. Extraction and handling, handle with care, do not throw over. Operators must wear protective gloves, masks and goggles to prevent dust inhalation and skin damage. Ventilation equipment should be provided in the workplace so that gas dust particles cannot accumulate. If accidentally contaminated with the skin, rinse with clean water; wash thoroughly with water when entering the eyes. It is not advisable to eat and drink in the field, and do not touch the mouth and nose if you have not washed your hands. If dust is inhaled, it should be quickly moved to a fresh place in the air. If it is still unwell, seek medical treatment as soon as possible.
PBT flame retardants are easy to decompose at high temperature, so they must be kept away from open flame electrical appliances. When processing and melting, equipment should have temperature warning and automatic temperature control to prevent overheating and release of harmful gases. Products should be carefully cleaned before and after operation to avoid dust accumulation and spontaneous combustion. Waste sundries should be classified and managed according to environmental laws and regulations, and should not be burned and dumped at will. To deal with leaks, first isolate contaminated areas, ventilate and disperse toxins, and then collect residues with special equipment, so as not to expand the spill. Relevant personnel should be trained on special projects, familiar with hazards and response laws, strictly abide by the details of process operation, and must not be changed without
Record entry, use, abandonment and other links, all of which must be registered and prepared according to the facts, so as to trace the source of diagnosis. In case of abnormal accidents, when calm emergency response, timely report to the superior for disposal. Only by abiding by the rules, prudent precautions, and respecting scientific management can its safety be guaranteed forever, and the well-being of the factory community can be shaded.
PBT flame retardants are easy to decompose at high temperature, so they must be kept away from open flame electrical appliances. When processing and melting, equipment should have temperature warning and automatic temperature control to prevent overheating and release of harmful gases. Products should be carefully cleaned before and after operation to avoid dust accumulation and spontaneous combustion. Waste sundries should be classified and managed according to environmental laws and regulations, and should not be burned and dumped at will. To deal with leaks, first isolate contaminated areas, ventilate and disperse toxins, and then collect residues with special equipment, so as not to expand the spill. Relevant personnel should be trained on special projects, familiar with hazards and response laws, strictly abide by the details of process operation, and must not be changed without
Record entry, use, abandonment and other links, all of which must be registered and prepared according to the facts, so as to trace the source of diagnosis. In case of abnormal accidents, when calm emergency response, timely report to the superior for disposal. Only by abiding by the rules, prudent precautions, and respecting scientific management can its safety be guaranteed forever, and the well-being of the factory community can be shaded.
Application Area
Flame retardants are widely used in PBT, because PBT has excellent insulation and mechanical properties, only flammability is a disadvantage, relying on flame retardants to make up for its shortcomings. It is particularly important in the electrical and electronic fields, such as sockets, connectors, switches, etc., mostly use PBT as materials, and flame retardants must be added to meet safety standards. Another example is the automotive industry. Instrument shells and lamp parts are often shared with PBT and flame retardants, which are resistant to high temperature and flame retardant, ensuring the safety of vehicle operation. Secondly, household appliances such as washing machines, microwave ovens, vacuum cleaners, etc., the shell is also prepared with PBT and its flame retardant modification to prevent fires. The use of flame retardants has made PBT widely used in many fields, and the promotion is not hindered, and the final product is safe and reliable.
Research & Development
The flammability of PBT depends on the help of flame retardant. However, the common products in the market have many deficiencies, which may damage its mechanics or reduce its luster. Modern craftsmen delve into the origin of materials and carefully explore the mechanism of flame retardants. Start with halogen-free as the first, take high-efficiency phosphorus-based and nitrogen-based agents, mix with micro-nano technology, and ingeniously blend into the PBT body, which not only ensures its toughness, but also anti-inflammatory. There are also innovators who try to use organic coating to prevent precipitation and prolong its effect. The process is slightly complicated, but the performance of the finished product is greatly increased, and the heat resistance and migration resistance are improved. Then this new method is applied to the product, which has been certified in Europe and the United States, and has been promoted to the world. This is the way of PBT flame retardant, which depends on specialization and is improving day by day.
Toxicity Research
Organophosphorus-based flame retardants are used in polybutylene terephthalate (PBT) to increase its fire resistance, but its toxicity cannot be ignored. Tests have shown that harmful volatiles can be released during combustion. If antimony trioxide and halogen compounds are especially easy to escape in the air, causing respiratory diseases. Its residual substances, either absorbed through the skin or ingested into the mouth, are at risk of potential poisoning. According to animal experiments, high doses can cause damage to the liver and kidneys, or even affect the reproductive system. However, low doses, short-term exposure, no significant acute poisoning symptoms, and accumulation for a long time, chronic harm is inevitable. Therefore, during production, storage, transportation, and application, it is advisable to strictly follow regulations, strengthen ventilation and personal protection, and manage waste prudently to prevent toxic leakage and endanger the human body and the environment.
Future Prospects
Inflammation resistance agent, used to protect the material of PBT, has now been widely used in all workers. However, the world changes, technology is new with each passing day, and the formulation of preparations should be more refined. Looking at its future, there are three expectations: one is to enhance the performance, without damaging the function of the body, and to benefit its flame retardant effect, so that the application is wider. The second is green environmental protection, which should be in line with the trend of energy saving and emission reduction, remove harmful elements, and have renewable sources, making it worthy of ecology. The third is technological innovation, simplifying the process, reducing costs and increasing efficiency, and helping industrial upgrading. It is expected that the industry will work together to develop intelligence, integrate the advanced principles of China and the West, and it will be able to promote the improvement of PBT and benefit the society.
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As a leading Flame Retardant for PBT supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.
What are the Main Types of Flame Retardants for PBT?
Polybutylene terephthalate, referred to as PBT, is a polymer synthesis material, light and strong, widely used in electronics, electrical appliances, automobiles and other fields. However, its nature is flammable, and it will burn and smoke in case of fire, so it must be applied with flame retardant agents to make up for its shortcomings and ensure its safety. Today, the types of flame retardants of PBT are slightly divided into the following:
The first is halogen flame retardants. This type of flame retardant is mainly bromine and chlorine, and is also equipped with antimony trioxide containing antimony as a synergist. It is decomposed to form halogenated hydrogen gas to prevent combustion chain reaction, and its effect is remarkable. However, when it burns, it is prone to soot, and harmful gases escape, which harms people's health and pollutes the environment. Due to the environmental concerns caused by it, Western countries have banned it in recent years, and its use has decreased day by day.
The second is inorganic flame retardants. Common ones such as aluminum hydroxide and magnesium hydroxide, the principle is to release water during heating decomposition, absorb heat and cool down, dilute flammable gases. It can also generate inorganic residues for heat insulation, blocking heat sources and air. Such as expanded graphite, phosphate, etc., are also among them. Such flame retardants are non-toxic and tasteless, environmentally friendly, but the amount is large, and the mechanical strength of vulnerable materials.
The three are organophosphorus flame retardants. This kind of organophosphorus is mainly used, such as diphenyl phosphate, polyphosphate, etc., which decomposes into phosphoric acid when exposed to fire, promotes the carbonization of the polymer surface and forms a film, isolates oxygen and is flame retardant. No harmful flue gas is generated, and the damage to the material is smaller than that of halogen agents, which is the trend of the times.
Tetrazine is a nitrogen-based flame retardant. Such as melamine and its derivatives, mostly in the form of nitrogen release, dilute flammable gas. Often used in combination with organophosphorus, the efficiency is doubled, making it an environmentally friendly new flame retardant material.
There are also coated composite flame retardants, which combine a variety of flame retardants through surface treatment, chemical or physical mixing, and combine their respective advantages, which not only enhances flame retardancy, but
If the technology is increasingly refined, there are more applications of nanomaterials and synergistic flame retardants, such as nano-silicon, montmorillonite, etc., to improve the flame retardant mechanism at the microscale, which is both green and efficient.
In summary, according to the nature and mechanism of PBT flame retardants, there are many types of halogens, inorganic, organic phosphorus, nitrogen series and composite new types, showing the wonderful use of chemical changes, suitable for time-varying and optimal application.
The first is halogen flame retardants. This type of flame retardant is mainly bromine and chlorine, and is also equipped with antimony trioxide containing antimony as a synergist. It is decomposed to form halogenated hydrogen gas to prevent combustion chain reaction, and its effect is remarkable. However, when it burns, it is prone to soot, and harmful gases escape, which harms people's health and pollutes the environment. Due to the environmental concerns caused by it, Western countries have banned it in recent years, and its use has decreased day by day.
The second is inorganic flame retardants. Common ones such as aluminum hydroxide and magnesium hydroxide, the principle is to release water during heating decomposition, absorb heat and cool down, dilute flammable gases. It can also generate inorganic residues for heat insulation, blocking heat sources and air. Such as expanded graphite, phosphate, etc., are also among them. Such flame retardants are non-toxic and tasteless, environmentally friendly, but the amount is large, and the mechanical strength of vulnerable materials.
The three are organophosphorus flame retardants. This kind of organophosphorus is mainly used, such as diphenyl phosphate, polyphosphate, etc., which decomposes into phosphoric acid when exposed to fire, promotes the carbonization of the polymer surface and forms a film, isolates oxygen and is flame retardant. No harmful flue gas is generated, and the damage to the material is smaller than that of halogen agents, which is the trend of the times.
Tetrazine is a nitrogen-based flame retardant. Such as melamine and its derivatives, mostly in the form of nitrogen release, dilute flammable gas. Often used in combination with organophosphorus, the efficiency is doubled, making it an environmentally friendly new flame retardant material.
There are also coated composite flame retardants, which combine a variety of flame retardants through surface treatment, chemical or physical mixing, and combine their respective advantages, which not only enhances flame retardancy, but
If the technology is increasingly refined, there are more applications of nanomaterials and synergistic flame retardants, such as nano-silicon, montmorillonite, etc., to improve the flame retardant mechanism at the microscale, which is both green and efficient.
In summary, according to the nature and mechanism of PBT flame retardants, there are many types of halogens, inorganic, organic phosphorus, nitrogen series and composite new types, showing the wonderful use of chemical changes, suitable for time-varying and optimal application.
What is the amount of Flame Retardant for PBT?
In the case of polybutylene phthalate (PBT), if you need to increase its flame resistance, you need to add more flame retardants. There are many flame retardants, but they are commonly used in PBT, such as bromine-containing compounds, phosphorus-based flame retardants, and certain flame-retardant materials. The amount used should be carefully considered, not only to ensure material performance, but also to ensure flame retardant, etc.
As usual, the amount of flame retardant used in PBT is 5% to 20% of the weight of the fat. Bromine-based flame retardants, and the amount of bromine content, ranging from 8% to 15%. Phosphorus-based flame retardants, such as polyphosphate amines, are also added in an amount of about 10%. If you use high-grade fillers, such as oxidizing or oxidizing, you need to add a high amount, often ranging from 20% to 30%. These need to be physically controlled to suppress the flame, depending on the release of moisture or improve the effect of carbon retention.
However, the amount of flame retardant addition is not very high. If it exceeds the tolerance of fat, it will cause inconvenience to processing and mechanical properties. Therefore, the formula of the formula is often combined with the performance of flame retardant and other materials, and all can get it, so that it can be used for industrial purposes. For example, UL94, the material needs to be V-0, etc., and it needs to be adjusted according to the type of flame retardant. Bromine-based flame retardant is easy to increase efficiency (such as dioxide trioxide), and the flame retardant effect is increased with less addition. Phosphorus-based nitrogen-containing flame retardant can also be used with the same user, which can improve the flame retardant of the material and maintain good physical properties. As mentioned above, the addition of PBT flame retardant is appropriate. The usual dosage or depending on the type of product, the demand for flame retardant has increased. Seeking the best performance, in order to make a polymer material that is both flame resistant and suitable for use, it can be used in a wide range of applications such as appliances, automobiles, and other materials.
As usual, the amount of flame retardant used in PBT is 5% to 20% of the weight of the fat. Bromine-based flame retardants, and the amount of bromine content, ranging from 8% to 15%. Phosphorus-based flame retardants, such as polyphosphate amines, are also added in an amount of about 10%. If you use high-grade fillers, such as oxidizing or oxidizing, you need to add a high amount, often ranging from 20% to 30%. These need to be physically controlled to suppress the flame, depending on the release of moisture or improve the effect of carbon retention.
However, the amount of flame retardant addition is not very high. If it exceeds the tolerance of fat, it will cause inconvenience to processing and mechanical properties. Therefore, the formula of the formula is often combined with the performance of flame retardant and other materials, and all can get it, so that it can be used for industrial purposes. For example, UL94, the material needs to be V-0, etc., and it needs to be adjusted according to the type of flame retardant. Bromine-based flame retardant is easy to increase efficiency (such as dioxide trioxide), and the flame retardant effect is increased with less addition. Phosphorus-based nitrogen-containing flame retardant can also be used with the same user, which can improve the flame retardant of the material and maintain good physical properties. As mentioned above, the addition of PBT flame retardant is appropriate. The usual dosage or depending on the type of product, the demand for flame retardant has increased. Seeking the best performance, in order to make a polymer material that is both flame resistant and suitable for use, it can be used in a wide range of applications such as appliances, automobiles, and other materials.
How does Flame Retardant for PBT affect material properties?
Flame retardants are used in the preparation of PBT (polybutylene terephthalate), which can significantly change its material properties. PBT is a thermoplastic engineering plastic with good edge properties, high strength and chemical corrosion resistance. It is self-flammable, flammable in case of fire, and drips when burning, generating harmful gases. Adding flame retardants can suppress its flammability and improve safety, making it suitable for electronics, electrical appliances, automobiles and other fields that require high flame retardant grades.
However, the introduction of flame retardants also changes its internal and external properties. First discuss mechanical properties. Flame retardants are mostly inorganic powders, such as aluminum hydroxide, magnesium hydroxide, or organic phosphorus, bromine, and nitrogen compounds. Such substances have limited compatibility with PBT resins. They are distributed in the matrix, blocking the movement of molecular chains, causing the tensile strength and impact toughness of the material to decrease slightly, and the elongation is also reduced. If the dosage is too high, the material will lose its toughness and be brittle. Therefore, it is necessary to choose an auxiliary agent with good compatibility or optimize the process to maintain the balance of its physical properties.
Re-thermal properties. After PBT is flame retardant, its thermal deformation temperature tends to decrease, and the melting fluidity becomes poor. The high melting point and uneven distribution of edge flame retardants affect the crystallinity and molecular arrangement of the material, resulting in the suppression of the thermal stability of the body. However, its oxygen index is significantly increased, and it is not easy to burn, and can reach UL94 V-0 grade.
Its electrical properties are also affected. PBT has excellent insulation properties, but some flame retardants contain polar components or generate conductive substances. For example, brominated flame retardants release free halogens when burned, which affects the insulation voltage. Therefore, flame retardant systems must be carefully selected in high-demand areas, taking into account environmental protection and performance.
In addition, the light resistance, heat resistance and dispersion of flame retardants also affect the appearance and weather resistance of products. If the flame retardant is not well dispersed, uneven color, rough surface, and the appearance is easily damaged.
In short, although PBT plus flame retardants can improve flame retardant properties, it has an impact on mechanical, electrical and thermal properties. The deployment must weigh the pros and cons, comprehensively consider the application needs, and optimize the formula and process to achieve the desired effect.
However, the introduction of flame retardants also changes its internal and external properties. First discuss mechanical properties. Flame retardants are mostly inorganic powders, such as aluminum hydroxide, magnesium hydroxide, or organic phosphorus, bromine, and nitrogen compounds. Such substances have limited compatibility with PBT resins. They are distributed in the matrix, blocking the movement of molecular chains, causing the tensile strength and impact toughness of the material to decrease slightly, and the elongation is also reduced. If the dosage is too high, the material will lose its toughness and be brittle. Therefore, it is necessary to choose an auxiliary agent with good compatibility or optimize the process to maintain the balance of its physical properties.
Re-thermal properties. After PBT is flame retardant, its thermal deformation temperature tends to decrease, and the melting fluidity becomes poor. The high melting point and uneven distribution of edge flame retardants affect the crystallinity and molecular arrangement of the material, resulting in the suppression of the thermal stability of the body. However, its oxygen index is significantly increased, and it is not easy to burn, and can reach UL94 V-0 grade.
Its electrical properties are also affected. PBT has excellent insulation properties, but some flame retardants contain polar components or generate conductive substances. For example, brominated flame retardants release free halogens when burned, which affects the insulation voltage. Therefore, flame retardant systems must be carefully selected in high-demand areas, taking into account environmental protection and performance.
In addition, the light resistance, heat resistance and dispersion of flame retardants also affect the appearance and weather resistance of products. If the flame retardant is not well dispersed, uneven color, rough surface, and the appearance is easily damaged.
In short, although PBT plus flame retardants can improve flame retardant properties, it has an impact on mechanical, electrical and thermal properties. The deployment must weigh the pros and cons, comprehensively consider the application needs, and optimize the formula and process to achieve the desired effect.
What environmental or safety standards does Flame Retardant for PBT meet?
The flame retardant of polybutylene terephthalate (PBT) is designed to improve the safety of materials, and its environmental protection and safety standards must comply with international and many regional norms. The main points it follows are as follows:
The European Union's "Regulations on Registration, Evaluation, Authorization and Restriction of Chemicals" (REACH) strictly restricts the use of harmful chemicals, and requires that the flame retardants used must pass the relevant registration and must not contain substances of high concern. There is also the Restriction of Hazardous Substances Directive (RoHS) in Europe, especially for materials used in electronic and electrical equipment. Its flame retardants must avoid lead, cadmium, mercury, hexavalent chromium and polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE) and other substances. Another example is halogen flame retardants, which are gradually restricted by environmental regulations in Europe and the United States, especially manufacturers that advertise green products, use halogen-free flame retardants to comply with regulations.
The United States of America has the Consumer Product Safety Improvement Act (CPSIA), which requires flame retardants used in children's related products to meet specific measurement standards and must not contain harmful plasticizers such as phthalates. California and several other states also have independent regulations restricting the application of certain toxic flame retardants. Asian countries such as the People's Republic of China implement the "Catalogue of Hazardous Chemicals" and "Measures for the Administration of Restrictions on the Use of Hazardous Substances in Electrical and Electronic Products", which also have relevant regulations on the environmental protection properties of flame retardants; Japan's "Chemical Substance Evaluation and Manufacturing Management Law" and "Home Appliance Recycling Law" also regulate.
International safety standards, there is also the UL94 flame retardant rating in the US UL standard to evaluate the self-extinguishing and safety level of materials. If it can reach the V-0 grade, it shows that under high temperature flames, the material can self-extinguish at a specified time, and is widely used in safety products.
In addition to complying with the above regulations, the green design concept also urges manufacturers to use recyclable, low-toxicity and degradable flame retardants. There are also environmental protection labels such as Blue Angel, TCO, etc., which require materials to be environmentally friendly and safe. If manufacturers can follow and obtain certification, their products will be more favored by the market.
To sum up, the environmental protection and safety standards of PBT flame retardants take into account international common regulations and special requirements of various places. Its core is to reduce environmental and human health threats, promote sustainable use of materials and ecological balance. From this point of view, the research and development and application of materials must comply with legal regulations in order to achieve perfection.
The European Union's "Regulations on Registration, Evaluation, Authorization and Restriction of Chemicals" (REACH) strictly restricts the use of harmful chemicals, and requires that the flame retardants used must pass the relevant registration and must not contain substances of high concern. There is also the Restriction of Hazardous Substances Directive (RoHS) in Europe, especially for materials used in electronic and electrical equipment. Its flame retardants must avoid lead, cadmium, mercury, hexavalent chromium and polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE) and other substances. Another example is halogen flame retardants, which are gradually restricted by environmental regulations in Europe and the United States, especially manufacturers that advertise green products, use halogen-free flame retardants to comply with regulations.
The United States of America has the Consumer Product Safety Improvement Act (CPSIA), which requires flame retardants used in children's related products to meet specific measurement standards and must not contain harmful plasticizers such as phthalates. California and several other states also have independent regulations restricting the application of certain toxic flame retardants. Asian countries such as the People's Republic of China implement the "Catalogue of Hazardous Chemicals" and "Measures for the Administration of Restrictions on the Use of Hazardous Substances in Electrical and Electronic Products", which also have relevant regulations on the environmental protection properties of flame retardants; Japan's "Chemical Substance Evaluation and Manufacturing Management Law" and "Home Appliance Recycling Law" also regulate.
International safety standards, there is also the UL94 flame retardant rating in the US UL standard to evaluate the self-extinguishing and safety level of materials. If it can reach the V-0 grade, it shows that under high temperature flames, the material can self-extinguish at a specified time, and is widely used in safety products.
In addition to complying with the above regulations, the green design concept also urges manufacturers to use recyclable, low-toxicity and degradable flame retardants. There are also environmental protection labels such as Blue Angel, TCO, etc., which require materials to be environmentally friendly and safe. If manufacturers can follow and obtain certification, their products will be more favored by the market.
To sum up, the environmental protection and safety standards of PBT flame retardants take into account international common regulations and special requirements of various places. Its core is to reduce environmental and human health threats, promote sustainable use of materials and ecological balance. From this point of view, the research and development and application of materials must comply with legal regulations in order to achieve perfection.
What are the typical application fields of Flame Retardant for PBT?
Polybutylene terephthalate, referred to as PBT, has a tough texture, excellent electrical insulation performance, heat resistance and moisture resistance, and is widely used in modern processes. However, its nature is flammable, and it melts in case of fire, which is prone to disasters. Therefore, chemists add flame retardants to it to suppress flames and enhance safety. On the application field of PBT flame retardant, it is described as follows.
The electrical industry is especially heavy on the flame retardant effect of PBT. All relays, switches, sockets, and junction boxes need this. Because of its insulation, flame retardancy, thermal stability, and long-term use, it is not easy to damage. Electronic devices such as connectors and wiring harness terminals are made of PBT, while flame retardant can prevent short circuits and overloads from causing fires, and comply with the safety regulations of modern informatization.
The automotive industry mostly uses PBT flame retardant materials as parts. Precision accessories in the car, such as wiring harness sheaths, fuse boxes, lamp holders, speaker casings, etc., are all used in harsh environments such as high temperature, oil pollution, vibration, etc., and must rely on flame retardant PBT to prevent fires. In case of short circuit in an accident, the flame retardant characteristics can reduce the spread of fire and ensure the safety of passengers.
Household appliances widely use flame retardant PBT. TV sets, washing machines, vacuum cleaners, microwave ovens and other casings and parts are all suitable for this material. Good flame retardancy, even if the utensils are running at high load, it is difficult to cause combustion, and improve the stability of household daily use. Office equipment such as printers, copiers, and lighting lamps are covered. Due to frequent power supply, the temperature rise is significant. In addition, PBT flame retardant materials are also used in the field of construction and rail transit to prevent fire.
In addition, PBT flame retardant materials are also found in the field of construction and rail transit. Building conductors, junction boxes, or electrical devices inside rail cars are mostly used as fire barriers. Communication equipment casings, industrial automation control components, etc., rely on their excellent flame retardant and mechanical properties in the face of complex working conditions and regulatory requirements.
In short, the application of PBT flame retardants is distributed in the fields of electrical and electronics, automotive industry, home appliances and construction and transportation. Because flame retardant PBT has many advantages such as mechanical toughness, heat and moisture resistance, electrical insulation and processing convenience, it can meet the safety standards required by modern industry and life. It plays an indispensable key role in scientific and technological progress and social security.
The electrical industry is especially heavy on the flame retardant effect of PBT. All relays, switches, sockets, and junction boxes need this. Because of its insulation, flame retardancy, thermal stability, and long-term use, it is not easy to damage. Electronic devices such as connectors and wiring harness terminals are made of PBT, while flame retardant can prevent short circuits and overloads from causing fires, and comply with the safety regulations of modern informatization.
The automotive industry mostly uses PBT flame retardant materials as parts. Precision accessories in the car, such as wiring harness sheaths, fuse boxes, lamp holders, speaker casings, etc., are all used in harsh environments such as high temperature, oil pollution, vibration, etc., and must rely on flame retardant PBT to prevent fires. In case of short circuit in an accident, the flame retardant characteristics can reduce the spread of fire and ensure the safety of passengers.
Household appliances widely use flame retardant PBT. TV sets, washing machines, vacuum cleaners, microwave ovens and other casings and parts are all suitable for this material. Good flame retardancy, even if the utensils are running at high load, it is difficult to cause combustion, and improve the stability of household daily use. Office equipment such as printers, copiers, and lighting lamps are covered. Due to frequent power supply, the temperature rise is significant. In addition, PBT flame retardant materials are also used in the field of construction and rail transit to prevent fire.
In addition, PBT flame retardant materials are also found in the field of construction and rail transit. Building conductors, junction boxes, or electrical devices inside rail cars are mostly used as fire barriers. Communication equipment casings, industrial automation control components, etc., rely on their excellent flame retardant and mechanical properties in the face of complex working conditions and regulatory requirements.
In short, the application of PBT flame retardants is distributed in the fields of electrical and electronics, automotive industry, home appliances and construction and transportation. Because flame retardant PBT has many advantages such as mechanical toughness, heat and moisture resistance, electrical insulation and processing convenience, it can meet the safety standards required by modern industry and life. It plays an indispensable key role in scientific and technological progress and social security.
