Red Phosphorus Masterbatch For Pa6 Pa66

Red Phosphorus Masterbatch for PA6 PA66

    Specifications
    HS Code 187282
    Flammability Good flame retardancy
    Thermal Stability High thermal stability
    Mechanical Properties Enhanced mechanical strength
    Chemical Resistance Good resistance to common chemicals
    Dispersion Excellent dispersion in PA6 and PA66
    Color Red - colored masterbatch
    Form Masterbatch form for easy processing
    Particle Size Controlled particle size for uniform distribution
    Additive Compatibility Good compatibility with other additives
    Processing Temperature Suitable for the processing temperature range of PA6 and PA66

    As an accredited Red Phosphorus Masterbatch for PA6 PA66 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 25 - kg bags of Red Phosphorus Masterbatch for PA6 & PA66 chemical packaging.
    Storage **Storage Instructions for Red Phosphorus Masterbatch for PA6/PA66** Store the red phosphorus masterbatch for PA6 and PA66 in a cool, dry place. Keep it away from direct sunlight, heat sources, and moisture. Ensure the storage area is well - ventilated. It should be stored in its original, tightly - sealed packaging to prevent exposure to air, which could potentially lead to degradation or reactivity issues.
    Shipping Red Phosphorus Masterbatch for PA6/PA66 is shipped in sealed, moisture - resistant containers. To ensure safety, it follows strict chemical transportation regulations, with proper labeling and handling to prevent any risk during transit.
    Free Quote

    Competitive Red Phosphorus Masterbatch for PA6 PA66 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

    Email: sales2@liwei-chem.com

    Red Phosphorus Masterbatch for PA6 PA66 Red Phosphorus Masterbatch for PA6 PA66
    General Information
    Historical Development
    Phosphorus was originally invented by the ancients, but the fine use of red phosphorus has been popular until recently. At the beginning, red phosphorus was mostly used for spontaneous combustion and pharmaceuticals, but was not widely used in the polymer industry. And the rise of modern polymer materials, PA6, PA66 and other nylons gradually flourished, with their strength and heat resistance, for the electromechanical and automotive industries. However, its flammability is not removed, and the safety of products is limited. Chemical industry experts therefore explored the way of flame retardancy, and red phosphorus masterbatch came into being. At first, red phosphorus was directly mixed, but it was difficult to disperse and easy to cause material properties to deteriorate. Later generations, it was coated by polymers to make masterbatch, and the red phosphorus particles were evenly distributed, achieving both high flame retardancy and physical stability. With increasingly advanced technology and equal emphasis on environmental protection and safety, red phosphorus masterbatch has now become the key to flame retardancy for PA6 and PA66 materials, and is widely used in various industrial applications, benefiting the endless development of the industry.
    Product Overview
    This red phosphorus masterbatch is specially made for engineering plastics such as PA6 and PA66. It is based on high-purity red phosphorus, accompanied by a selected carrier, and granulated by advanced technology. The particle shape is uniform and the dispersion is excellent. It is integrated into the plastic to give the material excellent flame retardant performance and significantly improve the safety level of the product. It has good thermal stability, migration resistance, hydrolysis resistance, and is not easy to precipitate, ensuring that the color and luster of the product are pure and the mechanical properties are not reduced. It is suitable for automotive parts, electrical components and other fields with high requirements for flame retardancy. It is widely used and has outstanding results. It is light in dosage, environmentally friendly and halogen-free, and is in line with the green development of modern industries. In the molding process, it has excellent fluidity, easy operation, greatly improves production efficiency, and helps to reduce costs. It is
    Physical & Chemical Properties
    Red phosphorus masterbatch, used for PA6 and PA66, has a deep red color, a fine body, and a strong quality that is not easy to disperse. Its properties are stable at room temperature without the risk of spontaneous combustion, and when it encounters high temperature, it starts to release phosphide slowly, which can effectively impart the effect of flame retardancy. Red phosphorus in the masterbatch is specially coated, so it is not easy to interact with moisture and phosphoric acid, so it is safe for storage and transportation. It has stable chemical properties, is not easy to oxidize at the processing temperature of conventional polyamide resins, and is also uncomfortable to acid and alkali erosion. Excellent dispersion, evenly distributed after mixing into the resin, no obvious agglomeration, and little damage to the physical properties of the substrate. The density of the masterbatch is moderate, and it is soluble in high polymers without self-releasing phosphorus gas, so there is This material is very convenient to process, not only easy to use, but also increases safety, making it a good material for improving performance.
    Technical Specifications & Labeling
    Red phosphorus masterbatch, specially used for the modification of PA6 and PA66. It is like uniform spherules and has a brown-red color. The technology is exquisite, its phosphorus content is about 70%, good dispersion and excellent thermal stability. The particle size is about 2-4 mm, and the moisture content is less than or equal to 0.3%. The density meter is 1.5-1 grams per cubic centimeter, and the melting point is as high as 260 ° C. It is easy to process. The packaging is multi-purpose composite bag, with a net weight of 25 kg. It is strictly protected from moisture. It has a wide range of applications and eliminates the flame retardant requirements of polymer materials such as nylon. The logo is detailed, containing the batch number, production date and production place. Storage is ventilated and dry, protected from light and heat to ensure that its properties remain unchanged for a long time.
    Preparation Method
    The red phosphorus masterbatch is used for the preparation of PA6 and PA66. High-purity red phosphorus is taken as the main raw material, supplemented by surface coating agent to prevent oxidative hydrolysis. First, the red phosphorus is finely ground, mixed in proportion with the nylon matrix, heated and melted in a high-temperature screw extruder, and supplemented by dispersing additives, so that the red phosphorus is evenly distributed in the polyamide. The temperature must be strictly controlled to avoid the spontaneous combustion of red phosphorus, and the feeding speed should also be adjusted slowly. After extrusion cooling, granulation is the masterbatch formed. The mechanism is that the red phosphorus is heated, and phosphide is released in the early stage of polyamide decomposition, forming a cross-linking structure and an inert polyphosphate layer with the polymer chain and additives, blocking heat sources and oxygen, and inhibiting combustion. This physical mixing is supplemented by microscopic chemical changes, and the size and size of the composite can be used to achieve high efficiency and excellent flame retardancy.
    Chemical Reactions & Modifications
    Red phosphorus masterbatch is specially used for the flame retardant modification of polyamide hexa and polyamide hexa, and is made of chemical compatibility. Its preparation is first finely dispersed with red phosphorus powder, coated in the resin matrix, supplemented by synergistic flame retardant additives. When red phosphorus and polyamide matrix are plasticized at high temperature, the surface complexation is enhanced, and the disadvantages of phosphorus precipitation and moisture absorption are eliminated. When entering the plastic, through melting and mixing, red phosphorus is uniformly embedded in the polyamide molecular chain through chemical bonds or physical effects. When heated and exposed to open flame, red phosphorus decomposes to form polyphosphoric acid, which coats on the surface of the material to form a dense carbon layer, effectively blocking heat and oxygen, and inhibiting combustion spread. The modified PA6 PA66 has improved flame retardant properties, maintained good mechanical properties and stable electrical properties, and is widely used in high-demand fields such as electronic appliances and automotive parts. This chemical reaction and modification method not only maintains the high-efficiency flame retardant of red phosphorus, but also is safe and environmentally friendly, which is a good strategy for modern polymer engineering.
    Synonyms & Product Names
    Red phosphorus masterbatch, commonly used in nylon six and nylon six materials, also known as red phosphorus flame retardant masterbatch, phosphorus-based flame retardant, high temperature resistant red phosphorus granules, red phosphorus additives, etc. The market is sometimes called high temperature resistant red phosphorus masterbatch, red phosphorus masterbatch, engineering plastic flame retardant special agent, PA red phosphorus masterbatch, its functions are to improve the flame retardant grade of nylon materials. There are also names used by trade brands, such as FlameGuard Red Phosphorus MB, Red Phosphorus Elf, Phosphorus Saint, Inflammation Resistant masterbatch, etc. The names are the same, which refer to products specially used for flame retardant modification of PA6 and PA66. Its finished products are granular and red in color, which is easy to mix and can be evenly dispersed in the base material. There are many names for this masterbatch, either due to function or shape, all of which add safety to nylon materials.
    Safety & Operational Standards
    The red phosphorus masterbatch is specially used for the flame retardant of PA6 and PA66. It has excellent performance. However, it is strong in nature. If the operation is not careful, it is easy to cause disasters. To ensure the safety of the operation, this specification should be followed. When opening, gloves and masks must be used to protect the body from fly ash. Do not let the masterbatch get wet, and generate heat due to moisture or reaction. It should be stored in a sealed, dry and cool place, away from fire sources and high temperatures. Do not expose to sunlight. Handle and dump, move gently, do not hit strongly, and do not store with oxidants and strong acids to prevent chemical mutation. When the workplace must be ventilated, mechanically stirred and fed, the equipment should be checked regularly to prevent leakage and dust accumulation. The residue and waste after cleaning should be sorted and disposed of according to the specifications, and should not be discarded at will.
    Operators should receive special training and memorize emergency response methods. If they accidentally touch the body, they should be rinsed with water. If they inhale dust, they should be quickly moved to an air circulation place. If a fire breaks out suddenly, they can be put out by a dry powder fire extinguisher. Do not use water agent to extinguish the fire, so as to avoid the reaction of harmful gases. If there is too much stock, check the packaging regularly, and replace it immediately if it is found to be damaged. Equipment maintenance must also be shut down and power cut off, and unrelated personnel should not be allowed to enter. Safety warning signs should be clearly hung, and operating procedures should be strictly enforced. Do not cause serious disasters due to a moment of negligence, but always have a sense of awe, in order to ensure the safety of the factory, do the masterbatch flame retardant and have no worries.
    Application Area
    The red phosphorus masterbatch is used for polyamide six and six, and its high temperature resistance is stable and reliable. It is non-flammable in case of fire, delays and burns, and is widely used in the shells of electronic appliances, interior and exterior parts of automobile parts, and is also good for transmission equipment of industrial machinery. The red phosphorus masterbatch is melted into the material and distributed evenly, which not only guarantees the flame retardant rank, but also makes the product lasting and peaceful, and does not damage the true color of the substrate. Such as sockets, connectors, high-speed train parts, etc., all rely on this material to increase security. The red phosphorus masterbatch is free from the disadvantages of free phosphorus precipitation, and is suitable for high-strength and thin-walled injection molded products, which significantly improves the service life of the material. And because it is environmentally friendly and halogen-free, it is the best choice for green flame
    Research & Development
    The red phosphorus masterbatch is specially designed for the flame retardant design of PA6 and PA66 substrates. It is warm and good in nature, has excellent flame retardant effect, and is required by the industry. It is based on pure red phosphorus and supplemented by a polymer carrier. With the help of scientific technology, it is evenly dispersed to overcome the disadvantages of flammable, easy oxidation and uneven dispersion of red phosphorus. In the past, research and development took into account thermal stability and processing convenience, so coating technology was introduced to stabilize the surface of red phosphorus and effectively prevent precipitation and moisture absorption. Durable and durable, long-lasting performance. However, due to the difficulties in research and development, we have dedicated ourselves to improving, such as carrier selection, processing temperature, and dispersion method. Repeated tests and data research have been conducted to gain superior flame retardant performance, and maintain the intrinsic mechanics of PA materials, opening up new frontiers for the application of high-performance engineering plastics.
    Toxicity Research
    Red phosphorus masterbatch is used for PA6 and PA66 to make flame retardant, which is actually required by industry. However, red phosphorus is strong in nature, and phosphoric acid is produced when wet, and phosphine can be released when heated, which are all harmful. It is because scholars are mostly concerned about toxicity and observe the risk of its processing and application. The masterbatch is sealed in the polymer shell, which can isolate red phosphorus from external water vapor and inhibit the precipitation of poison. However, when melted at high temperature, some red phosphorus may precipitate, generating trace toxic substances, which need to be carefully protected. Animal tests show its gas and dust. Excessive amounts can cause irritation of the respiratory tract, and damage the liver and kidneys for a long time. The waste of testing must be disposed of in accordance with regulations to prevent environmental pollution. Anyone who applies it should wear protective gear and control ventilation. If it meets the standard, its toxicity can be controlled, but if it is wasted in management, it will cause endless harm.
    Future Prospects
    Red phosphorus masterbatch, dedicated to PA6, PA66, has outstanding performance, outstanding flame retardant effect, and is highly valued. In today's industry, environmental safety is given equal importance, and the demand for environmental protection and low toxicity is increasingly evident. Red phosphorus masterbatch came into being, which can greatly improve the safety of plastics, and the complex products are stable and can adapt to changing environments. Looking to the future, with the new technology and the increasingly exquisite process, the formula of red phosphorus masterbatch will be more optimized, and the dispersion, compatibility and durability will keep pace. With the surge of lightweight and high-performance materials, the application field of red phosphorus masterbatch will also be greatly expanded, and electrical appliances, automobiles, electronics and other aspects will make a difference. The green concept contained therein, consistent with sustainable development, is bound to lead the trend of the plastics flame retardant industry, with promising prospects, and contribute to the great cause of social security and environmental protection.
    Where to Buy Red Phosphorus Masterbatch for PA6 PA66 in China?
    As a trusted Red Phosphorus Masterbatch for PA6 PA66 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.
    Frequently Asked Questions

    As a leading Red Phosphorus Masterbatch for PA6 PA66 supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

    How is the flame retardant effect of Red Phosphorus Masterbatch for PA6 PA66?
    Red phosphorus masterbatch is used for polyamide six (PA6) and polyamide six six (PA66) to improve their flame retardant properties, which is a good agent for the modification of contemporary polymer materials. The flame retardant masterbatch dominated by red phosphorus is often coated on the surface or adsorbed by the carrier. The more evenly dispersed it is in the plastic, the better the flame retardant effect. Red phosphorus is a halogen-free flame retardant, and does not produce harmful gases such as hydrogen halide during combustion, so it is green and environmentally friendly and beneficial to health.
    Its effect depends on the ratio. If the red phosphorus masterbatch is added to PA6 and PA66, the content is about seven to ten parts per hundred parts of the matrix resin, and it can usually reach the UL-94 V-0 flame retardant standard. When red phosphorus encounters high temperature, phosphoric acid and polyphosphoric acid are precipitated to form a dense carbon layer, which isolates the migration of oxygen and thermal decomposition products and inhibits flame propagation. And because the decomposition products are dehydrated, they can promote the carbonization of polymers, thereby improving the heat resistance and fire resistance of materials. In addition, the phosphorane released by the decomposition of red phosphorus has to capture free radicals and further curb the combustion chain reaction.
    However, red phosphorus is extremely active and is easily affected by moisture and oxidation in the air, so its performance is mostly stabilized by the masterbatch. After the masterbatch is coated, it not only improves its dispersion, but also reduces the risk during processing, and reduces the corrosion of equipment and harm to the human body. It can be widely used in the field of long-term use products, such as automobiles, electronics, electrical appliances, etc.
    Red phosphorus masterbatch has good compatibility with polyamide resin, which can maintain the mechanical properties of the material. However, too much additive will damage the toughness of the material, and the color will also be affected. Generally, the dosage needs to be weighed. Overall, in the flame retardant application of PA6 and PA66, red phosphorus masterbatch can not only efficiently endow the material with flame retardancy, but also take into account environmental protection and material strength. It is the best flame retardant technology today.
    What is the addition ratio of Red Phosphorus Masterbatch for PA6 PA66?
    The red body of phosphorus, with stable properties, is widely used in the field of flame retardancy of polymer materials. The use of red phosphorus masterbatch, supplemented by polyamide hexa and polyamide hexa, is a common combination in modern industry, which can effectively improve its fire-resistant and flame-retardant properties. However, the amount of dosage depends on the specific application, product requirements and flame retardant grade, and cannot be generalized.
    Its conventional addition ratio, based on experience and test results, is generally between 5% and 15%. If you want to achieve a high flame retardant class such as UL94 V-0 standard, the content of red phosphorus masterbatch may need to be increased to 12% to 15%. If you only need to reach the level of V-2 or V-1, the lower content is suitable, so that both mechanical properties and cost can be taken into account. The red phosphorus masterbatch is evenly dispersed in PA6 and PA66, which helps the material maintain its original strength and toughness. However, if you add too much, it may cause the color of the product to darken and the brittleness to increase slightly, which needs to be carefully weighed.
    The secret of using the masterbatch is that the red phosphorus is evenly coated to prevent free and reduce oxidation. At the same time, the masterbatch of red phosphorus is also mixed with antioxidants, charcoal-forming agents and other co-active components to enhance the flame retardant effect and delay pyrolysis decomposition. During dry mixing granulation or injection molding, the red phosphorus masterbatch needs to be fully dried with the substrate to avoid moisture absorption and foaming.
    In summary, the recommended addition ratio of red phosphorus masterbatch to PA6 and PA66 is usually 8% to 15%. The actual dosage should be comprehensively weighed according to the thickness of the product, flame retardant objectives, rheological properties and end-use. All process adjustments and performance verification should be based on small-scale trials first, and then expanded to large-scale production to ensure the quality of the product. Production follows standards, carefully prevents the volatilization and oxidation of red phosphorus, and properly stores and transports to ensure safety and stability. If it is operated, the flame retardant function can be worry-free, and the product does not damage the true color of physical strength and durability.
    Does Red Phosphorus Masterbatch for PA6 PA66 affect the mechanical properties of PA6/PA66?
    Red phosphorus masterbatch is used in polyamide hexa and polyamide hexa to give it excellent flame retardant properties. However, red phosphorus is active in nature, has strong reducing properties, and is easy to react with polyamide molecular chains. Although the masterbatch uses polymer resin as a carrier to coat red phosphorus particles to improve dispersion and slow down the surface activity of red phosphorus, its addition to polyamide will inevitably affect its mechanical properties.
    At the beginning, the red phosphorus masterbatch is integrated into the polyamide melt. Although it can maintain a certain uniform distribution, its granularity and interfacial compatibility are insufficient, which often results in damage to the internal structural integrity of the system. If the particle size of red phosphorus is large or the coating is poor, the tensile fracture of short fibers is easy to be a place where defects are concentrated, and the tensile, bending and impact resistance are reduced. In addition, when red phosphorus is formed and subsequently used, it is easy to absorb water in case of high temperature and high humidity, which prompts polyamide hydrolysis and molecular chain fracture. In this way, the toughness of the product is reduced, and the fatigue resistance is also reduced.
    If the carrier resin in the red phosphorus masterbatch is incompatible with the polyamide, the material interface bonding force is weakened and becomes a potential weak link. With the increase of the amount of red phosphorus masterbatch added, the pure matrix of the polyamide is diluted, the crystallinity decreases, and the overall rigidity of the material decreases. The additives or additives that may be introduced into the flame retardant masterbatch, such as oxidants, plasticizers, etc., can also have side reactions with the main chain, further deteriorating the mechanical properties.
    However, if the polymer carrier can be well compatible with the polyamide, the particle size control is fine, and the red phosphorus is evenly dispersed, it will help to slow the release of adverse effects, and can take into account the flame retardant and mechanical properties. In practical applications, it is often necessary to reconcile with multi-component compatible agents, and choose neutral or weakly acidic surface treatment agents to enhance compatibility, in order to meet the flame retardant standards while maintaining its excellent mechanical properties as much as possible. Therefore, although red phosphorus masterbatch can make polyamide effectively flame retardant, its impact on mechanical properties cannot be ignored. Therefore, it is necessary to carefully weigh the compatibility and dosage in application to achieve both benefits.
    Is Red Phosphorus Masterbatch for PA6 PA66 stable during processing?
    Red phosphorus masterbatch is used in the processing of nylon six and nylon six, and whether it is stable or not is of great concern to the industry. Red phosphorus is active and easy to interact with oxygen in the air at high temperature. If it is slightly careless, it may cause oxidation and cause spontaneous combustion, so it is often stabilized by coating or carrier. Now made into masterbatch, red phosphorus is mostly wrapped in polymer materials, so that it is evenly dispersed between resins and isolated from external oxygen and moisture. In this way, the activity of red phosphorus can be suppressed. When it is at room temperature and pressure and processing temperature, its performance is relatively stable, it is not easy to precipitate or agglomerate, and there will be no violent reaction, ensuring safe operation. And the form of masterbatch helps to automatically feed and improve production efficiency.
    When the masterbatch of red phosphorus is blended or injection molded with nylon such as PA6 and PA66, the processing temperature is mostly between 250 and 300 degrees Celsius. If the masterbatch is well prepared and coated evenly and densely, the red phosphorus will not decompose and sublimate at this temperature, nor will it suffer from severe oxidation, and can pass through various processes such as melting, exhaust, and plasticization. However, if the heat resistance of the masterbatch coating material is insufficient, or there are impurities, or the masterbatch is improperly stored and exposed to moisture and heat, the red phosphorus has potential leakage during processing, or the material properties fluctuate, which affects the quality of the product. Therefore, it is advisable to check its thermal weight, water content and morphology before use to prevent quality degradation.
    Overall, the stability of red phosphorus masterbatch depends on its coating process and storage conditions. If qualified products can be properly selected, stored in a cool and dry place, and used within a reasonable time limit, they will be stable in the processing of PA6 and PA66, and there is no risk of failure. However, the operator must still be cautious and strictly control the process parameters to prevent abnormal conditions from occurring. It is said that its stability lies in the results of scientific management and advanced technology.
    What should I pay attention to when storing and transporting Red Phosphorus Masterbatch for PA6 PA66?
    Red phosphorus masterbatch is used for PA6, PA66 and other polymer materials. It is very sensitive, so you need to be cautious between storage and transportation. It is dry and impatient, avoid moisture erosion, and also fear high temperature exposure. When storing, it should be placed in a cool and ventilated place, away from fire and heat sources. The container must be sealed and not allow moist air to penetrate. In case of plum rain, especially when strengthening anti-moisture measures, desiccant can be prepared next to it.
    It should not be stored with acids, alkalis, oxidants and other flammable and explosive substances, for fear of chemical reactions and hidden dangers. When storing and displaying, it should be layered in an orderly manner, and it should not be stacked too high to prevent crushing packaging. Check whether the packaging bag is in good condition at the time, do not let it leak, and replace it quickly if it is damaged. The floor of the storage place should be flat and free of water accumulation, and the ground should be treated with anti-static to prevent friction and sparks.
    When transporting, it must be transported by special car, and it is strictly forbidden to use the same car as food, beverages and daily necessities. Handle with care when handling to prevent impact and weight extrusion, so as not to damage its structure. When the temperature rises sharply, the transportation should be suspended, and the temperature should be selected for a suitable time. In rainy and snowy weather, a waterproof tarpaulin should be covered to prevent infiltration.
    When the red phosphorus masterbatch escapes, the scene should be sealed immediately, ventilated and exhaust, and open flames should be prohibited. Staff must wear protective gloves, masks and dust-proof glasses to prevent inhalation and skin contact. Emergency flushing equipment must also be provided for precaution. Storage and transportation regulations in various places must not be violated. If it is stored for a long time, it is advisable to regularly test its moisture content and dispersion to avoid deterioration in nature.
    In the final analysis, careful storage, fire prevention and moisture prevention, and clear separation of people and things are the right principles to protect their character.