PE Flame Retardant Masterbatch
| HS Code | 631661 |
| Flammability Rating | Meets certain flame - retardant standards |
| Melting Point | Compatible with PE processing temperatures |
| Dispersion | Good dispersion in PE matrix |
| Mechanical Properties Impact | Minimal negative impact on PE mechanical strength |
| Thermal Stability | Stable under normal PE processing heat |
| Color | Often colorless or with low color - imparting effect |
| Odor | Low - odor or odorless |
| Chemical Resistance | Resistant to common chemicals in PE applications |
| Weather Resistance | Enhanced weather resistance in some cases |
| Particle Size | Appropriate size for easy mixing in PE |
As an accredited PE Flame Retardant Masterbatch factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 25 - kg bags of PE Flame Retardant Masterbatch, well - sealed for chemical protection. |
| Storage | PE Flame Retardant Masterbatch should be stored in a cool, dry place away from direct sunlight and heat sources. Keep it in a well - ventilated area to prevent moisture absorption and caking. Store in its original packaging to maintain integrity. Avoid storage near reactive substances. Proper storage ensures its quality and flame - retardant effectiveness remain intact. |
| Shipping | PE Flame Retardant Masterbatch is shipped in well - sealed containers to prevent moisture and contamination. It's transported via reliable freight carriers, ensuring proper handling and timely delivery, following all chemical shipping regulations. |
Competitive PE Flame Retardant Masterbatch 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
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Historical Development
PE flame retardant masterbatch began with the rise of modern chemical industry, due to the rise of industry, the demand for material safety performance suddenly increased. At the beginning, many craftsmen mixed flame retardants into polyethylene with simple compatibility, but they were unevenly dispersed and had limited effectiveness. By the middle of the twentieth century, with the advancement of technology and the improvement of chemical methods, special flame retardant masterbatches were invented. Such as silicon, phosphorus, and nitrogen flame retardants have been melted, mixed, and high shear, based on polymer carriers, taking into account the environment and performance. Today, PE flame retardant masterbatch has a wide range of categories and outstanding performance, and is widely used in cables, building materials, and automobiles. Technology is becoming increasingly sophisticated, formulas and processes are constantly new, and its historical evolution has witnessed the progress of materials science, which is a microcosm of the development of modern technology.
Product Overview
PE flame retardant masterbatch is based on polyethylene, which fuses high-quality flame retardants and is melted at high temperature, shearing and dispersed. Its properties are uniform, the particle size is moderate, and it is easy to process and mix. Applied to plastic products, it can effectively improve the flame retardant performance of products, prevent the spread of fire sources, and ensure safety and environmental protection. Widely used in communication cables, electronic instruments, household appliances and many other fields. Clean color, no odor, less addition, excellent flame retardant efficiency. And compared with traditional flame retardants, it has high dispersion and does not affect the physical and mechanical properties of finished products. Save production processes, improve production efficiency, and reduce costs. Stable performance and good compatibility, it is very popular in modern industrial production, and is the best choice for material technology transformation.
Physical & Chemical Properties
PE flame retardant masterbatch, like white or slightly gray particles, uniform color and solid texture. It is light in weight, floats on the water surface, and has a density of about 0.92-0 grams per cubic centimeter. Temperature resistance, melting point of about 130 degrees Celsius, melting at high temperature, not easy to decompose. No greasy to the touch, smooth to the touch, moisture-resistant and corrosion-resistant, long-standing mildew. Chemically stable, lazy in acid and alkali and a variety of organic solvents, difficult to react with common chemicals, but may slightly change in case of strong oxidizing agents. Its flame retardant factor is evenly distributed in polyethylene, which can form a carbon layer on the surface of the material when burning, isolating air to suppress fire. The masterbatch has good compatibility with polyethylene, and does not change the texture of the body after adding. Weak smell, does not contain harmful volatile components, environmentally friendly and non-toxic.
Technical Specifications & Labeling
PE flame retardant masterbatch, using polymer polyethylene as a carrier, adding high-efficiency flame retardant, and melting and mixing at high temperature. Its properties are cylindrical or spherical particles, black or gray in color, strong but not brittle. The particle size is mostly between two and five millimeters. The flame retardant performance conforms to UL94 V-0 grade, and the oxygen index is greater than twenty-six. The moisture content does not exceed three thousandths, and the filling ratio is ten to forty percent. It is suitable for injection molding, blow molding, extrusion and other processes. The temperature is wide, the melting temperature is 130 to 150 degrees Celsius, and there is no precipitation or deterioration for long-term storage. The packaging is mostly in 25kg moisture-proof bags, and each bag is printed with the product name, batch number, production date and manufacturer's name. Easy to store and transport, sealed and moisture-proof, it is advisable to keep away from open flames.
Preparation Method
Take the polyethylene base material, refined and highly flame retardant compounds such as oxidized, oxidized, brominated or phosphorus-based compounds, and match the amount of dispersion and compatibility. First, mix the flame retardant, aid, etc. in a certain proportion, and place them in a high-speed mixer. Mix well. Once it is distributed evenly, it is suitable for the amount of grease. Transfer the screw into the melting plant, and then the raw materials are fully melted and blended under the pressure. Through high shear, it increases the dispersion of the flame retardant polyethylene group. It is cooled out and granulated to obtain a flame retardant masterbatch. Its reverse process, flame retardant and non-biochemical reaction of polyethylene, is a physical blending, then catalyze dispersion or compatibility, promote the interface and make the flame retardant coated in polyethylene. This system not only maintains the processability of polyethylene, but also its excellent flame retardancy.
Chemical Reactions & Modifications
PE flame retardant masterbatch is based on polyethylene, accompanied by a variety of flame retardants, and melted and mixed at high temperature. Its chemical reaction depends on the compatibility of polygonal flame retardants with the matrix. Halogen-based flame retardants release halogen free radicals at high temperature, compete for energy with the free radicals generated by combustion, and break the chain reaction, thereby inhibiting flame generation. Phosphorus-based flame retardants generate phosphoric acid or polyphosphoric acid during pyrolysis, which generates a carbonized layer and blocks heat sources and oxygen. Chemical modification can also be reconciled with coupling agents or additives to improve the compatibility of masterbatch and polyethylene, and improve dispersion and durability. Therefore, the chemical reaction mechanism of PE flame retardant masterbatch and the modification process complement each other, combining high flame retardant and mechanical properties, making it suitable for a variety of applications.
Synonyms & Product Names
PE flame retardant masterbatch, also known as polyethylene flame retardant masterbatch, or flame retardant polyethylene masterbatch, also known as polyethylene fireproof masterbatch, PE fireproof masterbatch, are all the same thing. Its different names are based on the use, or PE flame retardant masterbatch for cables, or polyethylene flame retardant for plastics. There are many trade names on the market, and there are those marked with "easy flame retardant masterbatch", "high-efficiency flame retardant PE masterbatch" and "PE environmentally friendly flame retardant masterbatch", and there are also literal translations in foreign languages such as "PE Flame Retardant Masterbatch" and "Polyethylene Flame Retardant Masterbatch". The "flame retardant" is added to polyethylene plastics to make them self-extinguishing in case of fire and improve safety; the "masterbatch" is evenly mixed with additives in the resin to facilitate the production of plastic materials. Although these numbers are different, their functions and essence are not different, and they are all used for flame retardant modification of polyethylene materials.
Safety & Operational Standards
PE flame retardant masterbatch, the essence of the chemical industry is also widely used in the plastic industry to increase the flame resistance properties. However, its hidden hazards should be used with caution. Every time this material is used, first check the appearance, no leakage and seepage, uniform color is good. It is not advisable to contact with straight hands. You must wear gloves and glasses to prevent its fine particles from invading the skin or accidentally entering the mouth and nose. In the operating place, make sure to ventilate to prevent gas accumulation. Place in a cool and dry place, away from the high temperature of the fire source, to avoid the risk of spontaneous combustion. When stacking, it must be safe, not too high, and prevent overturning. The temperature and humidity are suitable day and night, and water vapor must not be eroded. The mouth of the bag is tightly bound to prevent moisture absorption and agglomeration or property variation.
When mixing, weigh according to the formula. Do not increase or decrease without authorization, or mix with incompatible ones. Feeding must be uniform and slow, and do not fall suddenly, so as to avoid the flying of the masterbatch and pollution of the environment. Before and after the equipment is running, it should be thoroughly checked that there is no blockage of residual materials, and regular maintenance should be carried out to ensure the health of the machine parts. If the masterbatch is not exhausted, it must be sealed in time, and it must not be exposed for a long time. If it is accidentally spilled, use special tools to carefully sweep it up, do not knead it by hand. Residues should be properly disposed of in accordance with environmental protection laws, and should not be abandoned in waterways and fields at will.
In case of accidental combustion, do not use water to save, and use special fire extinguishers such as dry powder and carbon dioxide. If the operator inhales smoke and dust, emergency exit, and go Those who continue to be in the operating environment of the masterbatch need to rest in shifts, and do not be exposed to it for a long time to ensure health. Operating norms, be sure to inform and train in writing, so that everyone knows its benefits and hazards, and follow the rules.
In short, although PE flame retardant masterbatch is beneficial to the industry, use it with caution and be careful to prevent danger. Following this specification, you can keep your health for a long time, and everything is safe, and you will be successful and safe.
When mixing, weigh according to the formula. Do not increase or decrease without authorization, or mix with incompatible ones. Feeding must be uniform and slow, and do not fall suddenly, so as to avoid the flying of the masterbatch and pollution of the environment. Before and after the equipment is running, it should be thoroughly checked that there is no blockage of residual materials, and regular maintenance should be carried out to ensure the health of the machine parts. If the masterbatch is not exhausted, it must be sealed in time, and it must not be exposed for a long time. If it is accidentally spilled, use special tools to carefully sweep it up, do not knead it by hand. Residues should be properly disposed of in accordance with environmental protection laws, and should not be abandoned in waterways and fields at will.
In case of accidental combustion, do not use water to save, and use special fire extinguishers such as dry powder and carbon dioxide. If the operator inhales smoke and dust, emergency exit, and go Those who continue to be in the operating environment of the masterbatch need to rest in shifts, and do not be exposed to it for a long time to ensure health. Operating norms, be sure to inform and train in writing, so that everyone knows its benefits and hazards, and follow the rules.
In short, although PE flame retardant masterbatch is beneficial to the industry, use it with caution and be careful to prevent danger. Following this specification, you can keep your health for a long time, and everything is safe, and you will be successful and safe.
Application Area
PE flame retardant masterbatch is widely used in many fields. It can be melted into plastic products, giving flame retardancy, especially for wire and cable sheathing, enhancing safety and prolonging life. It is also commonly used in electronic and electrical shells, fire retardant, protecting internal components from fire. Packaging materials, automotive interiors, building materials and pipes, all rely on this masterbatch to prevent the difficulty of burning. Household products, office equipment, or used in children's toys, all put safety first and need the help of this masterbatch. Its dispersion is good, mixed with resin, stable performance, and the color of the product is unhindered. Halogen-free and environmentally friendly, in line with the needs of the green era. Where fire prevention is required, there are many PE flame retardant masterbatches, and their application fields are countless, which is an indispensable help for modern industry.
Research & Development
Since the beginning of polyethylene flame retardant masterbatch, the chemical technology has advanced day by day, and the heart of the craftsman has kept improving. However, the need for flame retardant, to prevent fire, is more urgent. In the laboratory, students studied the formula, weighed the trace amount of additives, and selected the best flame retardant, in order to not damage the true color of polyethylene and increase its flame resistance. Explore the efficient dispersion method, so that the flame retardant ingredients can penetrate evenly into the particle body, and every link is carefully crafted. Repeated comparison, taking into account the smooth processing and final performance, numerous tests, and selected the masterbatch prepared by high active ingredients to ensure that its compatibility and stability are equally important. After sequential iteration, the flame retardant performance of the product has been greatly improved, and it is used in the wire, cable, and building materials industries, and is well-known in the industry Seeing technological innovators, we are committed to achieving green environmental protection, efficient flame retardancy, and promoting the development of polyethylene flame retardant masterbatch to a new peak.
Toxicity Research
The flame retardant masterbatch of PE, its main material is polyethylene, accompanied by flame retardant. The ancient technology is more important than practical, but today's world pays more attention to safety. To study its toxicity, the first is to distinguish the characteristics, and the second is to analyze the composition. The appearance of the masterbatch is the same, but the flame retardant seeps into it, or contains halogens, phosphorus, nitrogen and other substances. If it is burned, it may escape harmful smoke. Animal tests take mice as an example. Gastric administration or inhalation method shows that the blood signs and viscera are abnormal. Most of them have no obvious acute toxicity. However, if large agents are used for a long time, respiratory involvement, liver and kidney may be slightly damaged, but it is not lethal. Environmental exposure needs to take into account its escaping particles. If it is not well managed, it will affect the respiratory tract and skin over the years, and there will be potential harm again. Therefore, the use of such masterbatches must be in accordance with standards and careful to prevent high temperature decomposition and accumulation in order to ensure safety in production and daily life.
Future Prospects
PE flame retardant masterbatch is used for synthesizing polymer materials. Today's technology is changing with each passing day, and material performance and safety are equally important, so this product shows its use. Looking at the global environmental protection wind, the policy of energy conservation and emission reduction, but green and low-carbon, is the trend of the industry. Flame retardant masterbatch, if it can improve the flame retardant efficiency, or refine the technology from the micro-nano level, the application field will be wider. However, resources are limited, and recycling is also its priority. If new raw materials can be introduced, innovative formulas can be made, and environmental protection and practicality can be considered, it will definitely be able to cope with stricter regulations and market changes. It is expected that in the future, PE flame retardant masterbatch will incorporate intelligent production methods, parallel with sustainable development, expand the use of transportation, construction, electrical appliances and other fields, and contribute to a new era of safety and environmental protection.
Where to Buy PE Flame Retardant Masterbatch in China?
As a trusted PE Flame Retardant Masterbatch manufacturer, we deliver:
Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements.
Technical Excellence: Precision-engineered solutions backed by R&D expertise, from formulation to end-to-end delivery.
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 PE Flame Retardant Masterbatch 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 PE Flame Retardant Masterbatch?
PE flame retardant masterbatch is made of polyethylene (PE for short) as the matrix, accompanied by various flame retardants and additives, and extruded into granules by high temperature mixing. The reason why it is made is that polyethylene is flammable, melts in case of flame, and is difficult to self-extinguish. It is used in the fields of cables and construction, and it needs to be given flame retardancy. The main components can be divided into three categories: first, the polymer matrix, that is, polyethylene itself, to carry various additives to maintain the mechanics and processing properties of the material; second, the flame retardant, which is the core active component of the masterbatch, commonly There are bromine, phosphorus, nitrogen, inorganic hydroxides, etc. Bromine-based ones such as decabromodiphenylethane, phosphorus-based ones such as ammonium polyphosphate, aluminum hydroxide, magnesium hydroxide and other inorganic ones, which release water in case of heat, absorb heat and cool down, dilute combustible gases, and block oxygen sources; third, additives, which are diverse, used to help disperse flame retardants, or supplemented by stability, lubrication, and promotion of processing; which also have the power of toughening, anti-oxygen, anti-dripping, and improving compatibility.
The three coexist, and the primary and secondary are different. The proportion of polyethylene often accounts for more than 50% of the mass of the masterbatch; the proportion of flame retardants varies with the system used, or up to 30%, or up to 70%, depending on the end point of the flame retardant grade requirements and the feasibility of the process. Although the additives are used very little, their effect cannot be ignored. It is based on PE flame retardant masterbatch, which is actually based on polyethylene carrier, supplemented by high-efficiency flame retardants, and if the additives are outlined, the components can be uniformly integrated and give full play to their strengths. However, the allocation ratio needs to weigh the performance of the material machine and the need for flame retardancy. In summary, the main components of PE flame retardant masterbatch, solid polyethylene, high-efficiency flame retardants and necessary additives are in harmony, and they are suitable for end point use.
The three coexist, and the primary and secondary are different. The proportion of polyethylene often accounts for more than 50% of the mass of the masterbatch; the proportion of flame retardants varies with the system used, or up to 30%, or up to 70%, depending on the end point of the flame retardant grade requirements and the feasibility of the process. Although the additives are used very little, their effect cannot be ignored. It is based on PE flame retardant masterbatch, which is actually based on polyethylene carrier, supplemented by high-efficiency flame retardants, and if the additives are outlined, the components can be uniformly integrated and give full play to their strengths. However, the allocation ratio needs to weigh the performance of the material machine and the need for flame retardancy. In summary, the main components of PE flame retardant masterbatch, solid polyethylene, high-efficiency flame retardants and necessary additives are in harmony, and they are suitable for end point use.
What processing techniques are suitable for PE Flame Retardant Masterbatch?
The flame retardant masterbatch of polyethylene is mild in nature and tough in quality, and is widely used in a variety of processing techniques. In most plastics industries, it is preferred to melt at high temperature and mix evenly, so that the flame retardant molecules and polyethylene resin are integrated. It can be used by processes such as extrusion, injection molding, blow molding, and rotary molding. The reason lies in the fact that polyethylene is the base of the quality, and the flame retardant is mixed in the masterbatch shape. Relying on the process temperature and mechanical shear force, the flame retardant performance of the finished product is achieved.
Extrusion process, commonly used in the production of cable sheathing, film, sheet, etc. During operation, polyethylene and flame retardant masterbatch are put into the hopper in proportion, cut and mixed with the screw, and the pulp end is exported to the mold to form, and the required products are obtained. The fire safety performance is excellent. The injection molding process is mostly used for household appliances, components, etc. The method is that the material particles are put into the cavity, the melt is injected into the mold, and the cold is formed, and the finished product is evenly flame retardant. The blow molding process is especially better than the hollow products, such as plastic buckets, bottles, etc. Through heating, blowing and cooling, the products can all meet the flame retardant requirements.
Rotary molding is suitable for large-scale special-shaped products, such as barrel grooves, containers, etc. The flame retardant masterbatch is mixed with polyethylene, rotated and heated by the mold, and the flame retardant performance is evenly distributed when fully loaded. In addition, in some specific requirements such as foaming process and casting process, the flame retardant masterbatch can also be used to improve its fire resistance. Or if the fiber forming and wire drawing process, considering the balance between its mechanics and flame retardancy, can also be added, only need to weigh the ratio and process parameters.
However, the application of flame retardant masterbatch must take into account its dispersion and compatibility to avoid the formation of spots on the surface of the product or affect the performance due to uneven masterbatch. It is appropriate to choose a flame retardant masterbatch with good quality and uniform particle size, and process it at an appropriate temperature and shearing speed to demonstrate the beauty of its process and the wonderful effect of the product. In short, PE flame retardant masterbatch has a wide range of applications, but the process optimization can make it a top grade.
Extrusion process, commonly used in the production of cable sheathing, film, sheet, etc. During operation, polyethylene and flame retardant masterbatch are put into the hopper in proportion, cut and mixed with the screw, and the pulp end is exported to the mold to form, and the required products are obtained. The fire safety performance is excellent. The injection molding process is mostly used for household appliances, components, etc. The method is that the material particles are put into the cavity, the melt is injected into the mold, and the cold is formed, and the finished product is evenly flame retardant. The blow molding process is especially better than the hollow products, such as plastic buckets, bottles, etc. Through heating, blowing and cooling, the products can all meet the flame retardant requirements.
Rotary molding is suitable for large-scale special-shaped products, such as barrel grooves, containers, etc. The flame retardant masterbatch is mixed with polyethylene, rotated and heated by the mold, and the flame retardant performance is evenly distributed when fully loaded. In addition, in some specific requirements such as foaming process and casting process, the flame retardant masterbatch can also be used to improve its fire resistance. Or if the fiber forming and wire drawing process, considering the balance between its mechanics and flame retardancy, can also be added, only need to weigh the ratio and process parameters.
However, the application of flame retardant masterbatch must take into account its dispersion and compatibility to avoid the formation of spots on the surface of the product or affect the performance due to uneven masterbatch. It is appropriate to choose a flame retardant masterbatch with good quality and uniform particle size, and process it at an appropriate temperature and shearing speed to demonstrate the beauty of its process and the wonderful effect of the product. In short, PE flame retardant masterbatch has a wide range of applications, but the process optimization can make it a top grade.
Does PE Flame Retardant Masterbatch Affect the Mechanical Properties of Products?
PE flame retardant masterbatch is made of polyethylene as a carrier, with both flame retardant additives and dispersion aids, mixed and granulated. When used in products, the flame resistance characteristics are in polyethylene, and its impact on mechanical properties cannot be ignored. Or the flame retardant masterbatch is only a material, but in essence, the interaction between various flame retardant components and the matrix can cause changes in mechanical properties.
First of all, its microstructure, flame retardants are mostly inorganic powders or organic compounds, with different particle sizes and different surface properties. When added to the polymer matrix, if the dispersion is uneven, it often forms clusters and forms a source of stress concentration. This results in a decrease in mechanical properties, which is manifested as a decrease in tensile strength and elongation at break; especially those with high additives. In addition, the interfacial compatibility between flame retardants and polyethylene is not good, which is easy to cause interfacial peeling, material toughness is weakened, and impact resistance is also reduced. If a suitable compatible agent is selected, although it can slightly increase the dispersion, it cannot completely avoid its negative effects.
Re-discussion of the chemical properties of flame retardant components. Some flame retardant masterbatches are mainly halogen-based, which releases gas in case of fire, causing changes in the microscopic phase structure. These substances can occasionally migrate to the surface of the product, causing stickiness, cracking, etc., so the long-term service performance of the product is worrying. Although aluminum hydroxide, magnesium hydroxide and other inorganic flame retardants are environmentally friendly and odorless, their particles are doped too much, which hinders the movement between polymer chains; the loss of matrix toughness is inevitable.
However, flame retardant masterbatches are also beneficial. Products are not easy to burn in case of high temperature fire sources, and can prevent disasters and protect safety. If properly selected during design, control the amount of addition, strengthen dispersion, use nanotechnology or surface modification measures, or have to take into account performance and safety, it will not greatly damage the mechanical properties.
In summary, PE flame retardant masterbatch does have a negative impact on the mechanical properties while improving the fire resistance of products, especially the large proportion of addition. Only by rationally adjusting the formula and introducing suitable auxiliary materials can we reduce its harm, maintain the excellent performance of the product, and make it practical without losing its essential toughness and firmness.
First of all, its microstructure, flame retardants are mostly inorganic powders or organic compounds, with different particle sizes and different surface properties. When added to the polymer matrix, if the dispersion is uneven, it often forms clusters and forms a source of stress concentration. This results in a decrease in mechanical properties, which is manifested as a decrease in tensile strength and elongation at break; especially those with high additives. In addition, the interfacial compatibility between flame retardants and polyethylene is not good, which is easy to cause interfacial peeling, material toughness is weakened, and impact resistance is also reduced. If a suitable compatible agent is selected, although it can slightly increase the dispersion, it cannot completely avoid its negative effects.
Re-discussion of the chemical properties of flame retardant components. Some flame retardant masterbatches are mainly halogen-based, which releases gas in case of fire, causing changes in the microscopic phase structure. These substances can occasionally migrate to the surface of the product, causing stickiness, cracking, etc., so the long-term service performance of the product is worrying. Although aluminum hydroxide, magnesium hydroxide and other inorganic flame retardants are environmentally friendly and odorless, their particles are doped too much, which hinders the movement between polymer chains; the loss of matrix toughness is inevitable.
However, flame retardant masterbatches are also beneficial. Products are not easy to burn in case of high temperature fire sources, and can prevent disasters and protect safety. If properly selected during design, control the amount of addition, strengthen dispersion, use nanotechnology or surface modification measures, or have to take into account performance and safety, it will not greatly damage the mechanical properties.
In summary, PE flame retardant masterbatch does have a negative impact on the mechanical properties while improving the fire resistance of products, especially the large proportion of addition. Only by rationally adjusting the formula and introducing suitable auxiliary materials can we reduce its harm, maintain the excellent performance of the product, and make it practical without losing its essential toughness and firmness.
What is the general addition ratio of PE Flame Retardant Masterbatch?
Polyethylene flame retardant masterbatch is often used in the flame retardant modification of plastic products. The proportion of addition depends on the requirements of flame retardant effect and product performance requirements. The amount of addition usually used is about 3% to 10%. If a higher flame retardant grade is required, such as UL94 V-0 grade, the amount of masterbatch must be increased, or supplemented with a synergist to enhance the flame retardant performance. However, too much input of the masterbatch can also easily cause the performance of the product to decline, and the mechanical strength and processing fluidity will be impaired. When blending, the craftsman should weigh the balance between flame retardant and physical properties and consider the balance.
The flame retardant masterbatch contains phosphorus, bromine, nitrogen or inorganic flame retardants, and the amount of addition varies according to the system used. The bromine series is mostly around 5%, and the phosphorus and nitrogen series can be slightly increased or decreased depending on the use of the product. However, the activity of each masterbatch and the compatibility of the carrier resin are different, so it should be quantified according to the manufacturer's suggestion or actual experiment. If it is used in extrusion and injection molding, special attention should be paid to the control of temperature to prevent the decomposition and volatilization of the flame retardant components, resulting in the weakening of the flame retardant effect. Also pay attention to its impact on the color and transparency of the product. Some flame retardant masterbatches can easily make the product yellow or reduce the light transmittance.
In the specific operation, first mix the masterbatch and the raw materials evenly to ensure sufficient dispersion. If the ratio is too small, the flame retardant effect will not be obvious; if the dosage is too large, the cost will increase and some properties of the Before and after production, try to test the flame retardant performance of the product by oxygen index method and vertical combustion method. In the field of modern engineering plastics, most of them aim at cost saving and performance optimization, so the addition of masterbatch should strive for excellence and cannot be generalized.
To sum up, the addition ratio of polyethylene flame retardant masterbatch is probably 3% to 10%. The actual dosage needs to be adjusted according to the specific formula, product technical parameters and flame retardant grade requirements. Only by discerning the situation can we obtain the good flame retardant and excellent performance of the product.
The flame retardant masterbatch contains phosphorus, bromine, nitrogen or inorganic flame retardants, and the amount of addition varies according to the system used. The bromine series is mostly around 5%, and the phosphorus and nitrogen series can be slightly increased or decreased depending on the use of the product. However, the activity of each masterbatch and the compatibility of the carrier resin are different, so it should be quantified according to the manufacturer's suggestion or actual experiment. If it is used in extrusion and injection molding, special attention should be paid to the control of temperature to prevent the decomposition and volatilization of the flame retardant components, resulting in the weakening of the flame retardant effect. Also pay attention to its impact on the color and transparency of the product. Some flame retardant masterbatches can easily make the product yellow or reduce the light transmittance.
In the specific operation, first mix the masterbatch and the raw materials evenly to ensure sufficient dispersion. If the ratio is too small, the flame retardant effect will not be obvious; if the dosage is too large, the cost will increase and some properties of the Before and after production, try to test the flame retardant performance of the product by oxygen index method and vertical combustion method. In the field of modern engineering plastics, most of them aim at cost saving and performance optimization, so the addition of masterbatch should strive for excellence and cannot be generalized.
To sum up, the addition ratio of polyethylene flame retardant masterbatch is probably 3% to 10%. The actual dosage needs to be adjusted according to the specific formula, product technical parameters and flame retardant grade requirements. Only by discerning the situation can we obtain the good flame retardant and excellent performance of the product.
Can PE Flame Retardant Masterbatch pass ROHS and other environmental certifications?
Polyethylene (PE) flame retardant masterbatch is based on polymer, with special flame retardants and appropriate additives, extruded and granulated at high temperature. Its basic use is to enhance the flame retardancy of polyethylene products, which are widely used in wire and cable, building materials, automotive parts and many other fields. However, the world is increasingly focusing on environmental protection and safety. The European Union is particularly headed by the ROHS (Restriction of Hazardous Substances) directive to restrict the use of harmful substances to maintain human health and ecological safety.
The ten harmful elements specified in the ROHS certification are lead, mercury, cadmium, hexavalent chromium and a variety of brominated flame retardants such as polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE). If the flame retardants used in flame retardant masterbatch use heavy metals such as bromine and cadmium and harmful organic bromides, it will be difficult to pass the ROHS test. Nowadays, flame retardant technology has made progress, and more halogen-free and non-toxic flame retardants have been replaced by phosphorus-based, nitrogen-based and inorganic hydroxides. These materials have mild physical and chemical properties and do not contain high-risk banned elements listed in the European Union. If the materials are selected well and the production is clean, they can successfully pass the inspection of ROHS and relevant environmental protection regulations in principle.
When preparing the masterbatch, the production process needs to be strictly controlled to prevent cross-contamination. The original and auxiliary materials should have complete traceability and test reports to prove that they are harmless. The masterbatch obtained from production can be entrusted to a third-party authoritative testing agency to analyze the content of lead, mercury, hexavalent chromium, bromine and other substances according to EN62321 and other testing standards. Only those who pass the test and have a formal compliance report can prove that they have passed the ROHS certification.
Although the flame retardant masterbatch itself can be designed to meet the standards, the final applied products, if the blending of other ingredients is not controlled, may still have trace impurities, increasing the risk of non-compliance. Only with strict management of the whole process and traceability can we ensure that the output products can be circulated in international markets such as the European Union in accordance with the ROHS regulations.
To sum up, if the PE flame retardant masterbatch chooses a halogen-free environmentally friendly flame retardant system, the manufacturing process is exquisite, the material source is clear and strictly controlled, and it has been tested by an authoritative organization in accordance with the ROHS directive, and it will pass the relevant environmental protection certification without any hindrance. However, this requires enterprises to adhere to strict standards in R & D, production and testing, which can be achieved with caution.
The ten harmful elements specified in the ROHS certification are lead, mercury, cadmium, hexavalent chromium and a variety of brominated flame retardants such as polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE). If the flame retardants used in flame retardant masterbatch use heavy metals such as bromine and cadmium and harmful organic bromides, it will be difficult to pass the ROHS test. Nowadays, flame retardant technology has made progress, and more halogen-free and non-toxic flame retardants have been replaced by phosphorus-based, nitrogen-based and inorganic hydroxides. These materials have mild physical and chemical properties and do not contain high-risk banned elements listed in the European Union. If the materials are selected well and the production is clean, they can successfully pass the inspection of ROHS and relevant environmental protection regulations in principle.
When preparing the masterbatch, the production process needs to be strictly controlled to prevent cross-contamination. The original and auxiliary materials should have complete traceability and test reports to prove that they are harmless. The masterbatch obtained from production can be entrusted to a third-party authoritative testing agency to analyze the content of lead, mercury, hexavalent chromium, bromine and other substances according to EN62321 and other testing standards. Only those who pass the test and have a formal compliance report can prove that they have passed the ROHS certification.
Although the flame retardant masterbatch itself can be designed to meet the standards, the final applied products, if the blending of other ingredients is not controlled, may still have trace impurities, increasing the risk of non-compliance. Only with strict management of the whole process and traceability can we ensure that the output products can be circulated in international markets such as the European Union in accordance with the ROHS regulations.
To sum up, if the PE flame retardant masterbatch chooses a halogen-free environmentally friendly flame retardant system, the manufacturing process is exquisite, the material source is clear and strictly controlled, and it has been tested by an authoritative organization in accordance with the ROHS directive, and it will pass the relevant environmental protection certification without any hindrance. However, this requires enterprises to adhere to strict standards in R & D, production and testing, which can be achieved with caution.
