Flame Retardant Masterbatch for PP-GF
| HS Code | 746460 |
| Flame Retardant Efficiency | High |
| Mechanical Property Retention | Good |
| Thermal Stability | High |
| Compatibility With Pp Gf | Excellent |
| Dispersion In Pp Gf | Good |
| Low Smoke Emission | Yes |
| Low Toxicity | Yes |
| Processing Temperature Range | Wide |
| Weather Resistance | Good |
| Chemical Resistance | Good |
As an accredited Flame Retardant Masterbatch for PP-GF factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 25 - kg bags of Flame Retardant Masterbatch for PP - GF for safe chemical packaging. |
| Storage | Flame Retardant Masterbatch for PP - GF should be stored in a cool, dry place. Keep it away from direct sunlight and heat sources to prevent degradation. Store in a well - ventilated area to avoid moisture absorption. Contain it in its original packaging to maintain integrity. Handle with care to prevent spillage, as it may be harmful if released into the environment. |
| Shipping | Flame Retardant Masterbatch for PP - GF is shipped in sealed, moisture - resistant containers. Shipment follows strict chemical transport regulations to ensure safe delivery, protecting from environmental factors and potential damage. |
Competitive Flame Retardant Masterbatch for PP-GF 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.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@liwei-chem.com
Historical Development
Since polypropylene was reinforced with glass fiber, the need for flame resistance has increased day by day. At the beginning, the process was simple, and the flame retardant was mostly mixed in powder, which was easy to cause uneven dispersion and performance imbalance. So those who are willing to devote themselves to research and create flame retardant masterbatches, which are specially used by PP-GF. At the beginning, the masterbatch categories were scarce and the flame retardant benefits were limited, which was often worried by migration and precipitation. And to the refinement of chemical industry, nanotechnology gradually became available, the dispersion of additives gradually improved, and the flame retardant grade gradually rose. Today's flame retardant masterbatch can be integrated with polypropylene and glass fiber, and the physical properties and flame retardancy can be obtained at the same time, taking into account the needs of environmental protection and safety. This object is widely used in the fields of automobiles, home appliances, and construction, which is actually related to the progress of material science and technology, and also shows the manifestation of human ingenuity and innovative spirit.
Product Overview
This product is a flame retardant masterbatch specially made for polypropylene glass fiber reinforced materials. It selects high-quality flame retardants and carriers. It is scientifically compatible, with exquisite craftsmanship, uniform particle shape and excellent dispersion. Incorporated into the polypropylene fiber reinforced system, it can effectively improve its flame retardant performance, inhibit combustion spread, and meet a number of flame retardant standards. It is easy to add, mixed evenly, does not affect material mechanics and processing properties, and has pure color and luster. It is widely used in automotive parts, electrical enclosures and electronic products. This masterbatch is both environmentally friendly, low smoke and low toxicity, and the dosage is appropriate. It can be adjusted on demand to help produce efficient and high-quality products and ensure safety. Its performance is stable, storage and transportation are convenient, and long-term storage remains unchanged. It is really the best choice for flame retardant modification of polypropylene reinforced products.
Physical & Chemical Properties
This flame retardant masterbatch is specially used for polypropylene glass fiber reinforced material. The color is gray and white, the texture is fine and uniform, and the shape is like a bead. Its physical toughness, moderate density, melting point is about 150 degrees Celsius, and it is easily soluble in polypropylene matrix. Good dispersion, not easy to precipitate after mixing, can closely combine with glass fiber, and enhance the mechanical strength of the composite. Chemical properties are stable, not easy to react with acid and alkali at room temperature, resistant to ultraviolet light irradiation, and not easy to decompose after long exposure to sunlight. In case of fire, it can effectively inhibit the spread of flame and release a small amount of harmless smoke. Long-term storage, no significant hygroscopicity, constant performance. Because it contains phosphorus, nitrogen or bromine compounds, it can form a dense carbon layer on the surface of the material during hot cracking, isolating oxygen, so it has excellent flame retardant performance and is a good aid for polymer composites.
Technical Specifications & Labeling
The name of this product is Flame Retardant Masterbatch for PP-GF, which is specially designed to strengthen the polypropylene glass fiber masterbatch. Its main component is halogen-free flame retardant, with a content of up to 50%. The granular shape is exquisite and the color is white. It can adapt to the processing temperature of 180 to 250 degrees Celsius. It has excellent dispersion and can be evenly melted into the PP substrate to add flame retardant properties. The flame retardant grade can reach UL94 V-0, which is suitable for many fields such as electrical enclosures, automotive parts, etc. The net weight of each bag is 25 kilograms, and the packaging is sealed to prevent moisture. It has good compatibility and has little effect on the mechanical properties of the main material. The recommended addition ratio is 10 to 15%, depending on the product requirements. It should be stored in a cool and dry place, protected from light and heat, and the shelf life is one year.
Preparation Method
The raw materials used are based on polypropylene resin, accompanied by glass fiber chopping to strengthen its mechanics, compounded with high-efficiency halogen-free flame retardants such as triazine, phosphorus and nitrogen series, supplemented by dispersants and lubricants. The process first mixes the flame retardant and auxiliary agents accurately in proportion, and uniformly premixes with the glass fiber. After high temperature melt blending, a twin-screw extruder is used as a device, granular discharge, water-cooled granulation. The reaction is due to high temperature to make the flame retardant and polypropylene compatible, the auxiliary agent promotes dispersion, and the glass fiber reinforcement system is stable. Catalytic mechanism, mostly synergistic reaction, the flame retardant releases phosphorus during pyrolysis, promotes the formation of the carbon layer, blocks oxygen and flame retardants, and the nitrogen group escapes in a timely manner, diluting the flammable gas SFACODE high efficiency flame retardant PP-GF masterbatch, excellent performance, simple process, suitable for large-scale production.
Chemical Reactions & Modifications
Polypropylene glass fiber reinforced composite material is strong and flammable, easy to spread in case of fire, and causes damage to the device. In order to prevent its incineration, it is now accompanied by flame retardant masterbatch. The masterbatch contains elements such as phosphorus and nitrogen, which are mixed at high temperature and enter the matrix to precipitate organic phosphorus and nitrides. It can release non-flammable gases during combustion, dilute oxygen, inhibit inflammation and self-extinguish; it also promotes the formation of a carbon layer, isolates heat sources, and protects its body. Glass fiber reinforcement improves mechanics, but it has high requirements for the dispersion of the masterbatch. It is advisable to use special compressors or surface treatment aids to uniformly coat the modified components on the fibers and resins. If the reaction is appropriate, the structure is dense, and the properties are both flame retardant, strong and durable. This modification makes PP-GF materials flame retardant and widely used in home appliances and automobiles, which not only increases safety, but also prolongs its lifespan. It is a good example of chemical reaction and material modification.
Synonyms & Product Names
Flame Retardant Masterbatch, used for polypropylene glass fiber reinforcement, is commonly known as flame retardant masterbatch, or flame retardant additive, and is also known as flame retardant masterbatch. The western name is Flame Retardant Masterbatch for PP-GF, or simply PP-GF flame retardant masterbatch. Its synonyms include flame retardant modifier, fire retardant auxiliary, or Flameproof Masterbatch, Fire Retardant Additive as the code name. Merchants, according to the brand name, or crowned with FR MB for PP-GF, or fire retardant polypropylene fiber masterbatch. However, although its quality is similar, it is originally made of polypropylene and glass fiber to obtain the effect of fire resistance and anti-inflammation. In summary, although its name is unique, it refers to the flame retardant additives used for polypropylene glass fiber composites, which are commercially available, whether in China or in the West, but are actually the same material.
Safety & Operational Standards
Flame Retardant Masterbatch for PP-GF is a commonly used flame retardant additive in the plastics processing industry. It is used in polypropylene glass fiber reinforced materials to increase its flame retardant grade. The production and use of this material should be orderly and prudent. However, its nature is not ordinary soil, it is prone to smoke and dust, and it changes when heated. In case of fire, it is easy to release harmful gases. The operator should understand its nature first, and should not take it lightly. It is advisable to wear protective clothing, gloves and goggles to prevent its tentacles from entering the eyes. The place of operation must be ventilated, away from open flames, avoid high temperatures, and always keep the environment clean and free of debris. When taking it, turn it upside down slowly, and do not pour it violently. Beware of dust drifting away and hurting the lungs and suffocating. If it misses the skin, it is advisable to rinse it with water; if it enters the eye, wash it with rippling water as soon as possible, and seek medical attention as soon as possible. After the utensils are used, they should be properly sealed and clearly marked. Disposal must be in accordance with regulations, so as not to flow into water and soil, so as not to pollute all things. Transportation and handling should be stable. Do not stack them at high places, and should not be exposed to rain and sun. Store in a cool and dry place, away from food and beverages, and keep children close. Practice the path, practice often, and in case of fire or leakage, act according to the emergency plan, and it is strictly forbidden to deal with them without authorization.
Long-term operators should have regular physical examinations to check whether they are uncomfortable. If there are symptoms such as cough and chest tightness, think carefully about the reasons, and do not act aggressively. Anyone who has been handed over to this thing should study the product description and understand the hazard level. In awe of the norms, although you work hard, you can keep your body safe and work for a long time. Take policies based on materials to make the best use of things, and the way is not contrary to safety. This is the way to sustainability.
Long-term operators should have regular physical examinations to check whether they are uncomfortable. If there are symptoms such as cough and chest tightness, think carefully about the reasons, and do not act aggressively. Anyone who has been handed over to this thing should study the product description and understand the hazard level. In awe of the norms, although you work hard, you can keep your body safe and work for a long time. Take policies based on materials to make the best use of things, and the way is not contrary to safety. This is the way to sustainability.
Application Area
Flame Retardant Masterbatch for PP-GF is the flame retardant masterbatch of polypropylene glass fiber composite. Its stability, compatibility is simple, and it is widely used in electrical equipment, automotive parts, household goods, engineering structures and other fields. Electrical equipment must be flame-proof and fire-resistant to ensure safety. The masterbatch is mixed and can be well protected. Polypropylene glass fiber is frequently used for automobile parts, shells, meters, and internal structures. Its products are heat-resistant and flame-retardant, and can adapt to severe road conditions. Household utensils, such as the shells of air conditioners and washing machines, can be prevented from burning and increased by the addition of masterbatch. Engineering structure, widely distributed, requires strong flame retardant materials, and the application of masterbatch makes it stand out from the crowd. Therefore, the masterbatch with its broad application, shelter all things, health, can be said to be an indispensable material for modern production and life.
Research & Development
The use of flame retardant masterbatch in the material of polypropylene glass fiber is the top priority of today's material science and technology. Its research and development begins with the selection of raw materials, and the compatibility is subtle, so that high-efficiency flame retardants and carriers can be harmonized. Technicians study its dispersion and strive for uniformity and detail, so that the flame retardant can be firmly combined with polypropylene and glass fiber, which not only has strong material retention, but also adds fire protection. Experiments have been carried out repeatedly to measure its limiting oxygen index, performance and thermal weight loss, and refer to the ratio to achieve the best effect. Taking into account its process adaptation, the fluidity during extrusion and molding is moderate, and the original appearance is not damaged. During the research and development period, international standards were widely accepted, data was collected, and environmental protection was taken into account. Halogen-free formulas became more and more refined. New materials have been established and are widely used in many fields such as electronics and automobiles. They are both safe and malleable, setting a paradigm for the flame retardant industry of polymers.
Toxicity Research
"Flame Retardant Masterbatch for PP-GF" is now used in the flame retardant masterbatch of polypropylene glass fiber reinforced materials. It often contains organophosphorus, bromide and auxiliary dispersants. Some of this masterbatch was tried, and the toxicity was determined by the conventional method. The volatile components were exposed to mice. After two weeks, there was no significant death or injury, only a few minor diseases of the throat and lungs. The effect on cells was observed in vitro. When the concentration was moderate, the cell growth was slightly slowed, but there was no mass apoptosis. Further acute oral and percutaneous tests showed no signs of poisoning. However, during high temperature processing, the decomposition products are potentially harmful, and workers must be careful to avoid inhalation. Although the toxicity is limited, the cumulative effect of long-term exposure cannot be ignored. In summary, although the toxicity of Flame Retardant Masterbatch for PP-GF is minimal, the security policy should not be ignored. It should be used according to the procedures to avoid high temperature fumigation and keep people safe.
Future Prospects
Flame Retardant Masterbatch for PP-GF is an essential product of contemporary polymer materials. Today, its excellent performance is widely used in the fields of automobiles, home appliances and construction, which is really the basis for safety protection. Tracing its development, it is increasingly innovative, and the flame retardant performance is becoming more and more excellent, and environmental protection and non-toxicity are more important to the world. Looking forward to the future, with the progress of science and technology, the process will also be more refined, and its various proportions will change according to needs and adapt to diverse environments; the flame retardant mechanism may be based on nanotechnology and intelligent response, endowing the material with adaptive and self-healing ability, and a wide range of uses, covering emerging fields such as 5G communication, intelligent end points, etc. International regulations are becoming stricter, and green and low-carbon has become a trend, which will surely give birth to its move towards higher environmental standards. It is expected that Flame Retardant Masterbatch for PP-GF will occupy a place in the forest of future materials and achieve the great cause of safety and sustainable development.
Where to Buy Flame Retardant Masterbatch for PP-GF in China?
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Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.
As a leading Flame Retardant Masterbatch for PP-GF 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 ingredients of Flame Retardant Masterbatch for PP-GF?
Flame Retardant Masterbatch for PP-GF is a flame retardant additive masterbatch of polypropylene glass fiber reinforced materials. Its main ingredients can be divided into four: one is a flame retardant, two is a carrier resin, three is a dispersant, and four is a synergistic agent. Flame retardants are mostly phosphorus-containing compounds, such as phosphate, ammonium polyphosphate, etc., or supplemented by halogen-free organic molecules. The cover can generate an expansive carbon layer during thermal decomposition, isolate oxygen, suppress smoke and self-extinguish, which not only complies with environmental safety regulations, but also protects the physical properties of products. If you need to enhance the flame retardant efficiency, sometimes Bro or Cl organic compounds are used in combination, but modern processes are becoming more environmentally friendly.
The carrier resin is polypropylene in its main body, and a high-fluidity raw material is selected to make the flame retardant evenly distributed, which is highly compatible with the PP main body without damaging its physical function. The dispersant is made of high-grade surfactants or inorganic silicate micropowders, so that the flame retardant components can be integrated into the body, remove agglomeration, and improve distribution uniformity.
Synergistic synergists, such as antimony trioxide or zinc-based complexes, or trace metal hydroxides, to stimulate the effectiveness of the main flame retardant components, make the masterbatch performance better, and meet the needs of high flame retardant grades. Inorganic mineral fillers, such as talc and silica fume, can be added to some masterbatches to enhance the mechanical properties of the material and help inhibit heat transfer. If there is a need for light stabilization and thermal aging, antioxidants and ultraviolet absorbers are used to ensure that it does not change color and is not brittle for a long time.
The method of making masterbatch is to mix various drugs first, and use a high-shear twin-screw extruder to evenly disperse them in the matrix resin. After cooling and granulation, the final product is obtained. In short, the Flame Retardant Masterbatch for PP-GF is mainly composed of flame retardants, polypropylene carriers, dispersants and synergistic agents, which complement each other to ensure both flame retardancy and protection of mechanics. It is also environmentally friendly in products and conforms to the current trend of the industry.
The carrier resin is polypropylene in its main body, and a high-fluidity raw material is selected to make the flame retardant evenly distributed, which is highly compatible with the PP main body without damaging its physical function. The dispersant is made of high-grade surfactants or inorganic silicate micropowders, so that the flame retardant components can be integrated into the body, remove agglomeration, and improve distribution uniformity.
Synergistic synergists, such as antimony trioxide or zinc-based complexes, or trace metal hydroxides, to stimulate the effectiveness of the main flame retardant components, make the masterbatch performance better, and meet the needs of high flame retardant grades. Inorganic mineral fillers, such as talc and silica fume, can be added to some masterbatches to enhance the mechanical properties of the material and help inhibit heat transfer. If there is a need for light stabilization and thermal aging, antioxidants and ultraviolet absorbers are used to ensure that it does not change color and is not brittle for a long time.
The method of making masterbatch is to mix various drugs first, and use a high-shear twin-screw extruder to evenly disperse them in the matrix resin. After cooling and granulation, the final product is obtained. In short, the Flame Retardant Masterbatch for PP-GF is mainly composed of flame retardants, polypropylene carriers, dispersants and synergistic agents, which complement each other to ensure both flame retardancy and protection of mechanics. It is also environmentally friendly in products and conforms to the current trend of the industry.
How does Flame Retardant Masterbatch for PP-GF affect the physical properties of PP-GF products?
The combustion masterbatch is used in polypropylene glass additive materials, which has an important impact on its physical properties. Polypropylene has good natural properties and good flammability, but it is flammable. To increase its flame retardancy, many people burn the masterbatch in the material for safe use, and its effects are as follows:
First, the combustion masterbatch contains more oil or contains oil, and its grease compatibility is limited. It is embedded in the material part, so that the interface of the polypropylene glass is susceptible to damage. The interface viscosity is slightly low, and the tensile resistance and anti-resistance may decrease. Especially in the high quantity of oil, the material has high resistance, the crack elongation is reduced, the pore is increased, and it is easy to crack.
Second, part of the fuel is easy to decompose or shift in the high-speed processing process, which affects the homogeneity of the glass resin mixture, resulting in uneven distribution, one-step analysis and physical properties.
Third, the addition of the fuel masterbatch to the crystallization of the modified product, especially the reduction of the crystallinity of the polypropylene-based material, the material resistance is slightly weakened, and the surface may have flow marks or colors. If the compatibility of the masterbatch is good, such effects can be slightly suppressed.
Four, the combustion of the masterbatch will reduce the mechanical properties of the masterbatch. However, under the finishing process, it can also balance the flame retardant mechanical properties. If the formula is reasonable, such as modification with phosphorus-nitrogen system and microcapsules, etc., the performance can be effectively reduced. It can also be treated with glass on the surface, or compatible glass can be added to improve the combination of glass and fat, and part of the glass is lost.
Combustion masterbatch polypropylene - the shadow of glass increasing material, has both advantages and disadvantages. In order to ensure the safety of flame retardancy, it is necessary to carefully match it, and to combine its strength and processability. Only then can we take advantage of its advantages, overcome its shortcomings, and achieve the desired goal.
First, the combustion masterbatch contains more oil or contains oil, and its grease compatibility is limited. It is embedded in the material part, so that the interface of the polypropylene glass is susceptible to damage. The interface viscosity is slightly low, and the tensile resistance and anti-resistance may decrease. Especially in the high quantity of oil, the material has high resistance, the crack elongation is reduced, the pore is increased, and it is easy to crack.
Second, part of the fuel is easy to decompose or shift in the high-speed processing process, which affects the homogeneity of the glass resin mixture, resulting in uneven distribution, one-step analysis and physical properties.
Third, the addition of the fuel masterbatch to the crystallization of the modified product, especially the reduction of the crystallinity of the polypropylene-based material, the material resistance is slightly weakened, and the surface may have flow marks or colors. If the compatibility of the masterbatch is good, such effects can be slightly suppressed.
Four, the combustion of the masterbatch will reduce the mechanical properties of the masterbatch. However, under the finishing process, it can also balance the flame retardant mechanical properties. If the formula is reasonable, such as modification with phosphorus-nitrogen system and microcapsules, etc., the performance can be effectively reduced. It can also be treated with glass on the surface, or compatible glass can be added to improve the combination of glass and fat, and part of the glass is lost.
Combustion masterbatch polypropylene - the shadow of glass increasing material, has both advantages and disadvantages. In order to ensure the safety of flame retardancy, it is necessary to carefully match it, and to combine its strength and processability. Only then can we take advantage of its advantages, overcome its shortcomings, and achieve the desired goal.
What is the general addition ratio of Flame Retardant Masterbatch for PP-GF?
Polypropylene glass fiber reinforced material is strong and tough, but it is flammable in case of fire. In order to improve its flame retardancy, flame retardant masterbatch is often used to help. Flame retardant masterbatch is based on high-efficiency flame retardant, supplemented by carrier and auxiliary agent, and the particles refined by scientific process can be uniformly mixed in the resin. The dosage depends on the flame retardant efficiency, which not only seeks safety, but also does not compromise its essential advantages.
Considering the actual situation, the addition ratio of flame retardant masterbatch to PP-GF is generally three to eight parts per 100 parts of resin (that is, the sum of 100 parts of total resin and glass fiber). The increase or decrease in the ratio depends on the structure of the material and the required flame retardant grade. If you want to reach UL94-V2 grade, you often need to add three to five parts; if you need UL94-V0 grade, or use about eight parts. If high flame retardancy must also take into account the mechanical and processing properties. Adding too much will damage the luster, strength and fluidity of the material, which is not conducive to its use.
Usage is not suitable. When you want to prepare, you should carefully study the compatibility between the main components of the masterbatch and the carrier. Nowadays, high-quality flame retardant masterbatches are mostly based on PP, which has good compatibility and is suitable for PP-GF systems. However, there are halogen and halogen-free differences. Halogen flame retardant masterbatches have high flame retardant efficiency, but some applications are limited. Phosphorus and nitrogen, inorganic flame retardant masterbatches are environmentally friendly and are mainly used in high-demand applications. When selecting, environmental protection and performance should be given priority.
Stir and mix well, extrude granulation and injection molding in each section, and adjust the temperature and speed appropriately, so as not to decompose the masterbatch, otherwise the flame retardant effect will be reduced. When debugging, it is advisable to take a small amount of small tests and gradually adjust the ratio to compare the balance between mechanics and flame retardant.
Use the method and follow the principle. The addition ratio of the flame retardant masterbatch should be between three and eight parts, and the amount is moderate. If it is neglected, it will affect the performance of the product. It is not only the effect of flame retardant, but also the strength of the true color, which is the concern of the craftsman.
Considering the actual situation, the addition ratio of flame retardant masterbatch to PP-GF is generally three to eight parts per 100 parts of resin (that is, the sum of 100 parts of total resin and glass fiber). The increase or decrease in the ratio depends on the structure of the material and the required flame retardant grade. If you want to reach UL94-V2 grade, you often need to add three to five parts; if you need UL94-V0 grade, or use about eight parts. If high flame retardancy must also take into account the mechanical and processing properties. Adding too much will damage the luster, strength and fluidity of the material, which is not conducive to its use.
Usage is not suitable. When you want to prepare, you should carefully study the compatibility between the main components of the masterbatch and the carrier. Nowadays, high-quality flame retardant masterbatches are mostly based on PP, which has good compatibility and is suitable for PP-GF systems. However, there are halogen and halogen-free differences. Halogen flame retardant masterbatches have high flame retardant efficiency, but some applications are limited. Phosphorus and nitrogen, inorganic flame retardant masterbatches are environmentally friendly and are mainly used in high-demand applications. When selecting, environmental protection and performance should be given priority.
Stir and mix well, extrude granulation and injection molding in each section, and adjust the temperature and speed appropriately, so as not to decompose the masterbatch, otherwise the flame retardant effect will be reduced. When debugging, it is advisable to take a small amount of small tests and gradually adjust the ratio to compare the balance between mechanics and flame retardant.
Use the method and follow the principle. The addition ratio of the flame retardant masterbatch should be between three and eight parts, and the amount is moderate. If it is neglected, it will affect the performance of the product. It is not only the effect of flame retardant, but also the strength of the true color, which is the concern of the craftsman.
Does the Flame Retardant Masterbatch for PP-GF comply with relevant environmental and flame retardant certifications?
The flame resistance masterbatch is specially designed for polypropylene reinforced glass fiber materials. It not only seeks to be safe like a rock, but also to burn it without destroying it. Today, whether it can meet the certification of environmental protection and flame retardancy must be traced back to its formula, and its physicochemistry must be checked. Compared with various domestic and foreign regulations, the conclusion can be reached.
Its body is mostly made of polymer carriers mixed with flame retardant agents. The flame retardants used are halogens, phosphorus series, and nitrogen series. Today, overseas is particularly environmentally friendly, but halogens are easy to emit bromide and dioxin, which is very harmful. European Union ROHS, REACH, and SVHC are all strictly prohibited. The environmentally friendly masterbatch mostly takes halogen-free types, such as red phosphorus, intumescent flame retardant or phosphorus and nitrogen compound, which can not only flame retardant, but also have the advantages of low smoke and non-toxicity. If the raw materials are excellent, the ingredients are obtained, and there are no harmful substances such as heavy metals and o-benzene, it meets the environmental system requirements of European Union ROHS, REACH and national standards GB/T 24001, GB/T 28001, and can be called environmental protection.
As for the flame retardant grade, the international UL94 is mostly used, and V-0, V-1, and V-2 are in descending order according to their self-extinguishing time. Our country adopts GB 20286, GB 8624 and other standards to specify its combustion characteristics, smoke density and toxicity limits. After trying to dissolve into PP-GF, sampling and testing, if it cannot ignite or self-extinguish, the smoke is low and strong, and the toxicity is weak, the masterbatch can be called up to standard. More stringent ones such as EN45545 (special for rail transit), and higher flame retardant grades such as SBS and SFS are used. If the manufacturer can provide authoritative third-party test reports such as UL, SGS, Intertek, etc., it is an evidence.
To sum up, if the flame resistance masterbatch is used for PP-GF, if the halogen-free environmentally friendly raw materials are used, and the formula process is refined. After authoritative testing, the certificate is also available, which can be said to meet the environmental protection and flame retardant certification. However, it is also necessary to clarify the certification standards of the buyer, and the manufacturer should send it for inspection according to the standard. In practice, it is advisable to request a comprehensive list of ingredients and check them one by one, with few regrets.
Its body is mostly made of polymer carriers mixed with flame retardant agents. The flame retardants used are halogens, phosphorus series, and nitrogen series. Today, overseas is particularly environmentally friendly, but halogens are easy to emit bromide and dioxin, which is very harmful. European Union ROHS, REACH, and SVHC are all strictly prohibited. The environmentally friendly masterbatch mostly takes halogen-free types, such as red phosphorus, intumescent flame retardant or phosphorus and nitrogen compound, which can not only flame retardant, but also have the advantages of low smoke and non-toxicity. If the raw materials are excellent, the ingredients are obtained, and there are no harmful substances such as heavy metals and o-benzene, it meets the environmental system requirements of European Union ROHS, REACH and national standards GB/T 24001, GB/T 28001, and can be called environmental protection.
As for the flame retardant grade, the international UL94 is mostly used, and V-0, V-1, and V-2 are in descending order according to their self-extinguishing time. Our country adopts GB 20286, GB 8624 and other standards to specify its combustion characteristics, smoke density and toxicity limits. After trying to dissolve into PP-GF, sampling and testing, if it cannot ignite or self-extinguish, the smoke is low and strong, and the toxicity is weak, the masterbatch can be called up to standard. More stringent ones such as EN45545 (special for rail transit), and higher flame retardant grades such as SBS and SFS are used. If the manufacturer can provide authoritative third-party test reports such as UL, SGS, Intertek, etc., it is an evidence.
To sum up, if the flame resistance masterbatch is used for PP-GF, if the halogen-free environmentally friendly raw materials are used, and the formula process is refined. After authoritative testing, the certificate is also available, which can be said to meet the environmental protection and flame retardant certification. However, it is also necessary to clarify the certification standards of the buyer, and the manufacturer should send it for inspection according to the standard. In practice, it is advisable to request a comprehensive list of ingredients and check them one by one, with few regrets.
What should be paid attention to during the processing of Flame Retardant Masterbatch for PP-GF?
When processing the Flame Retardant Masterbatch for polypropylene fiberglass (PP-GF), it is advisable to consider the number of ends carefully. The appropriate first storage should be properly sealed and protected from moisture to prevent moisture absorption and agglomeration of additives and damage to their dispersion. Pre-drying the feed to ensure that the water content is minimal is the first priority for successful processing. The operating temperature must be controlled appropriately, and it should not be too high, so as not to decompose the flame retardant and fail, or release harmful gases, causing equipment corrosion and jeopardizing the quality of the product.
Mix evenly in sequence. The flame retardant masterbatch and the raw material should not be stirred negligently, so as to ensure that the flame retardant is evenly distributed in the material. If the colloidal particles are not completely dispersed, it will affect the flame retardant performance and the integrity of the product appearance. It is also necessary to check the compatibility between the flame retardant masterbatch and the glass fiber resin to prevent the lack of compatibility, the decrease of physical properties, or the poor contract.
The amount of material added should be accurately calculated according to the standard, and it should be increased or decreased at will, or the material nature should be damaged. Do not blindly pursue high flame retardant grades, which will cause the proportion of the masterbatch to exceed, which will cause the strength and toughness of the product to be lost. The processing setting pressure and speed should also be weighed to ensure smooth molding and prevent screw wear and clogging failures.
In addition, in high temperature environments, some flame retardant additives or released gases should be properly ventilated to maintain the safety of workers. In addition to flame retardant masterbatch or halogen-related components, the product should be properly labeled according to laws and regulations, and attention should be paid to subsequent recycling treatment, so as not to cause harm to the environment.
Appropriate amount of interface agent is added to promote the compatibility of masterbatch with resin and glass fiber, which helps to improve the dispersion and strength of composites. Daily cleaning of equipment, especially thorough, to avoid residue crossing between different formulas and performance fluctuations.
Finally, the process should strictly abide by the standard operating specifications, and each link should be carefully inspected in order to achieve the high performance and constant quality of the product. It aims to set the benefits of flame retardancy, mechanics and environmental protection and be prepared.
Mix evenly in sequence. The flame retardant masterbatch and the raw material should not be stirred negligently, so as to ensure that the flame retardant is evenly distributed in the material. If the colloidal particles are not completely dispersed, it will affect the flame retardant performance and the integrity of the product appearance. It is also necessary to check the compatibility between the flame retardant masterbatch and the glass fiber resin to prevent the lack of compatibility, the decrease of physical properties, or the poor contract.
The amount of material added should be accurately calculated according to the standard, and it should be increased or decreased at will, or the material nature should be damaged. Do not blindly pursue high flame retardant grades, which will cause the proportion of the masterbatch to exceed, which will cause the strength and toughness of the product to be lost. The processing setting pressure and speed should also be weighed to ensure smooth molding and prevent screw wear and clogging failures.
In addition, in high temperature environments, some flame retardant additives or released gases should be properly ventilated to maintain the safety of workers. In addition to flame retardant masterbatch or halogen-related components, the product should be properly labeled according to laws and regulations, and attention should be paid to subsequent recycling treatment, so as not to cause harm to the environment.
Appropriate amount of interface agent is added to promote the compatibility of masterbatch with resin and glass fiber, which helps to improve the dispersion and strength of composites. Daily cleaning of equipment, especially thorough, to avoid residue crossing between different formulas and performance fluctuations.
Finally, the process should strictly abide by the standard operating specifications, and each link should be carefully inspected in order to achieve the high performance and constant quality of the product. It aims to set the benefits of flame retardancy, mechanics and environmental protection and be prepared.
