Red Phosphorus Flame Retardant Master Batch

Red Phosphorus Flame Retardant Master Batch

    Specifications
    HS Code 211961
    Flammability Reduces flammability of materials
    Thermal Stability Good thermal stability
    Chemical Stability Resistant to many chemicals
    Compatibility Compatible with various polymers
    Dispersion Good dispersion in polymers
    Mechanical Properties Impact Minimal negative impact on mechanical properties
    Processing Temperature Range Wide processing temperature range
    Color Typically has a certain color (varies)
    Particle Size Has a specific particle size distribution
    Environmental Friendliness Relatively environmentally friendly

    As an accredited Red Phosphorus Flame Retardant Master Batch factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Red Phosphorus Flame Retardant Master Batch: Packed in 25 - kg bags for convenient handling.
    Storage Red Phosphorus Flame Retardant Master Batch should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and direct sunlight. Store it separately from oxidizing agents and combustible materials. Use appropriate containers to prevent leakage, ensuring the integrity of the packaging to maintain its quality and safety during storage.
    Shipping Red Phosphorus Flame Retardant Master Batch is shipped in well - sealed, durable containers to prevent moisture and contamination. Shipment follows strict chemical transport regulations, ensuring safe and timely delivery.
    Free Quote

    Competitive Red Phosphorus Flame Retardant Master Batch 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

    Red Phosphorus Flame Retardant Master Batch Red Phosphorus Flame Retardant Master Batch
    General Information
    Historical Development
    The origin of red phosphorus flame retardant masterbatch originated from the progress of chemical industry. Due to the frequent fires in ancient times, craftsmen mostly used natural flame retardant techniques, which had limited effectiveness. In modern times, the process was updated, and scientists analyzed phosphorus as a red variant, with stable chemical properties and excellent flame retardancy. At first, red phosphorus was mostly added to plastics in bulk form, but it was easy to disperse unevenly, and there was a risk of deflagration. Then there were sages who thought of using a polymer matrix to carry it, refining the masterbatch, so that the red phosphorus was evenly dispersed, and the operation was safe. It prevailed in the rubber and plastic industries. Then the formula was increasingly perfected, and the additives were applied together to overcome the drawbacks of humid and hot oxidation. The application field was expanded from a single to electrical, automotive, building materials and so on. From this perspective, the development of red phosphorus flame retardant masterbatch is the mutual uplift required by the progress of chemical industry and safety. After evolution, it has become more and more complete.
    Product Overview
    This red phosphorus flame retardant masterbatch is specially made for adding flame retardant properties to polymer materials. It uses red phosphorus as the core and is slightly dispersed in the carrier resin through special coating technology, resulting in uniform shape and particle size and good fluidity. In case of high temperature, phosphorus is slowly released, traps free radicals, cuts off the combustion chain reaction, makes the material self-extinguish or slow down combustion, and the smoke is scarce. It has good compatibility with the matrix and has little impact on mechanical properties. It can be widely used in the composite production of thermoplastics such as polyolefins and polyamides. And because of the surface coating, storage and transportation are safer, and there is no obvious volatilization and odor during processing, which is environmentally friendly and non-toxic. Applying it can significantly enhance the flame retardant grade of products, meet the high safety standards of electronics, electrical appliances, and automotive industries, and is an indispensable help in the field of modern polymer materials.
    Physical & Chemical Properties
    Red phosphorus flame retardant masterbatch, dark red color, fine texture, uniform particle shape, stable properties. Its high density, insoluble in water, acid and alkali resistance, with excellent dispersion properties, evenly distributed in polymer materials, not easy to agglomerate. It is not easy to volatilize at high temperature, has a low ignition point, decomposes and releases phosphorides by heat, which can efficiently block flame conduction and inhibit combustion. It has mild chemical properties and is stable at room temperature, but it is easy to cause reactions when it encounters strong oxidizing agents. Its surface is specially coated to prevent oxidation and moisture absorption, and it is stored for a long time without deterioration. It is non-corrosive to resins and equipment, and does not have the disadvantages of halogen and chlorine. It is safe and environmentally friendly. Overall, it is suitable for all kinds of plastics and engineering materials, with excellent performance, especially for modern flame retardant needs.
    Technical Specifications & Labeling
    Red phosphorus flame retardant masterbatch, using high-purity red phosphorus as the main material, supplemented by polymer carrier, refined by special process. Its appearance is mostly reddish-brown cylinder or granular, with uniform particle size, about two to five millimeters, easy to process and mix. The phosphorus content is generally between 60 and 70 percent, and the flame retardancy is excellent. The density is about one to 1.4 grams per cubic centimeter, the decomposition temperature is as high as 280 degrees Celsius or more, and it is stable at room temperature. In case of high temperature, the flame retardant effect is released. The moisture content is extremely low, often less than one percent, and there is no volatile harmful gas. The packaging is tight, and 25 kilograms of plastic woven bags are commonly used, and the outer layer is covered with moisture-proof film. Suitable for ABS, PP, PE and other polymer materials, the dosage depends on demand, usually 5% to 10%, without damaging the quality and physical properties of the product.
    Preparation Method
    Take high-purity red phosphorus as the main material, supplemented by a carrier resin, and mix in proportion. Initially fine the red phosphorus, and add a surface coating agent to make the particle size uniform and prevent oxidation and deliquescence. After blending the red phosphorus with the resin masterbatch, put it in a high-temperature twin-screw extruder, the temperature is controlled at an appropriate temperature, slowly heated, the screw rotates, so that the material is fused, extruded through the die of the machine head, cooled and granulated, and the red phosphorus flame retardant masterbatch is obtained. In the process, the surface coating agent is used as the catalytic medium to promote the uniform combination of the red phosphorus and the surface of the carrier resin, and improve the dispersion and thermal stability. The reaction goes through three steps of dispersion, melting, and coating, each with its own work, both physical mixing and intermolecular action, in order to form a dense, flame retardant masterbatch, which is used for flame retardant modification of various polymer materials.
    Chemical Reactions & Modifications
    Red phosphorus flame retardant masterbatch is mainly made of red phosphorus, supplemented by a polymer carrier, which is physically dispersed and chemically modified. Red phosphorus is strong and easy to oxidize, but surface coating or microencapsulation techniques make it resistant to moisture, oxygen, and greatly increase its stability. When melted and mixed in the polymer, red phosphorus and the material are thermally decomposed to release phosphate radicals, which react with free radicals on the surface of the polymer to promote the formation of a carbon layer, inhibit the thermal cracking process, prevent the escape of combustible gas, and form a dense thermal insulation barrier. If supplemented with coupling agents or synergistic agents, Canon can significantly improve the dispersion of red phosphorus, slow down agglomeration, and give it excellent processing properties. Its chemical modification makes the red phosphorus masterbatch both flame retardant and environmentally friendly, and is widely used in many fields of plastics and rubber compounds, ensuring both safety and application.
    Synonyms & Product Names
    Red phosphorus flame retardant masterbatch is actually an important product in today's chemical industry. Its names are different but the same, and there are many opinions. Or phosphorus-based flame retardant carrier, or red phosphorus masterbatch, also known as red phosphorus flame retardant granules, or phosphorus flame retardant base material, all refer to products made by mixing red phosphorus with resin matrix by high dispersion method. There are many trade names in the market, or Red Phosphorus Masterbatch, or Phosphorus Flame Retardant Compound, and even RPR Masterbatch, red phosphorus flame retardant masterbatch, etc., to highlight its flame retardant effect and the true color of phosphorus element. The various merchants in the rivers and lakes are competing for unique skills, either by their phosphorus content or by their flame retardant properties. RPP-MB, SRP, and LPP-FR are more common in the market. However, the root cause is that red phosphorus particles lurk among polymers, and the protective materials are also exposed to the disaster of flames.
    Safety & Operational Standards
    It is also a flame retardant masterbatch of red phosphorus, which has the effect of fire protection and is widely used in plastic products. It is extremely sensitive and should not be ignored. Where stored, it must be sealed in a cool and dry place, away from the heat source of fire, and not subject to moisture. At the beginning of unsealing, the handling container should be clean and dry, and avoid pollution. When operating, wear a mask, gloves, and goggles to prevent dust from invading the nose, eyes, and skin. If it accidentally touches the body and skin, wash it with water immediately; if it accidentally enters the eyes and nose, rinse it with a lot of water immediately, and if it is serious, go to the hospital for diagnosis and treatment. During handling, move gently, avoid violent shock, and do not damage the package. Do not coexist with strong oxidants to avoid changes; do not mix with acid and alkali, for fear of danger.
    In the workplace, ventilation should be good, so that dust should not be stuck in the air. Residue should be properly disposed of, do not discard it in nature, and recycle it according to regulations. In case of fire, dry powder and carbon dioxide should be used to extinguish the fire, and do not use water to prevent it from reacting to smoke and poisonous gases. Discarded containers must be cleaned before they can be reused. If it is difficult to clean, they should be disposed of as hazardous waste according to law. Always pay attention to operating procedures, work according to the rules, and do not slack off. If you have any doubts, you should refer to the instructions for use, consult a special person, and do not move their things. The years are long, and the storage is self-reviewed for its valid period. Do not use it after the expiration date to prevent abnormal performance. Ordinary people, if they are in their territory, at the beginning of their career, they must go through training and assessment, and they can only work if they are aware of the hazards. Yuan this norm, I hope you will follow it carefully to protect the crowd.
    Application Area
    Red phosphorus flame retardant masterbatch is made of polymer materials as a carrier, mixed with selected red phosphorus particles. It is mild in nature and has good flame retardant effect, and is widely used in many fields. In electronic and electrical insulation equipment, terminal blocks, or household appliance casings, this material is relied on to increase its fire resistance; in automotive parts, transportation facilities, it can also improve safety standards. In plastics engineering, applications are more popular. For example, polyethylene, polypropylene, nylon, etc. can be mixed with red phosphorus flame retardant masterbatch, so that the finished product can retain its original strength and regain excellent flame retardant. It is also common in building materials, such as cable sheaths, pipes and decorative materials, which rely on its help to prevent fires. Its wide application not only protects people's health, but also benefits the long-term use of utensils, which can be called a good addition to material modification.
    Research & Development
    Red phosphorus flame retardant masterbatch, a newcomer to modern technology. It was first made because ordinary flame retardants have many disadvantages such as precipitation, volatilization, and poor environmental protection. The engineers then brainstormed and studied exquisite ideas. With red phosphorus as the bone, it is covered with a special carrier to make it stable and not easy to spontaneously ignite. And with high dispersion technology, the flame retardant components are closely integrated with the resin and distributed evenly in the product, which not only ensures the flame retardant efficiency, but also does not damage the true color of the product. After countless experiments, the production process is gradually improved, the dosage ratio is optimized, and the thermal stability and migration resistance are improved. Then supplemented by the concept of halogen-free environmental protection, it is in line with the needs of the times. Nowadays, its masterbatch is widely used in plastics, rubber, and other industrial products, which not only enhances safety, but also reduces fires, and is harmless to humans and nature. It is a model of both technology and benevolence.
    Toxicity Research
    Red phosphorus flame retardant masterbatch is produced by modern technology to enhance the flame resistance of products. However, its toxicity research cannot be ignored. Red phosphorus is strong, and it is easy to spontaneously ignite in the air, volatilizing phosphorus vapor, and inhalation can cause headache, vomiting, and even poisoning. Although the processed masterbatch is wrapped, it is extruded at high temperature, and it is still afraid of a small amount of escape. Inhalation of dust, invading the lungs and damaging the liver, accumulating for a long time, or causing diseases. Spilled phosphorus dust is also easy to erode when it touches the skin. In order to prevent damage, it is necessary to seal the operation, wear protective gear, and install exhaust air purification to prevent the escape of toxic gas. The finished masterbatch is used, because it is difficult to precipitate phosphorus due to coating, and the toxicity is much lower than that of the original red phosphorus, which is relatively However, it is also necessary to be cautious when discarding and disposing of it to prevent pollution of the environment and harm to life. Therefore, when making red phosphorus flame retardant masterbatch, the interests must be weighed and the risks must be carefully applied to ensure peace.
    Future Prospects
    Red phosphorus flame retardant masterbatch, condensing the essence of science and technology, has been widely used in plastics and rubber fields after innovation and grinding. However, with the rapid change of science and technology, the market demand is increasing, and higher requirements are put forward for product safety, environmental protection and efficiency. Looking to the future, red phosphorus flame retardant masterbatch will integrate nanomaterials and polymer science to improve its dispersion and flame retardant efficiency. At the same time, through green technology, reduce environmental burden and achieve sustainable development. It will also conform to the trend of intelligent manufacturing, promote industrial upgrading, make product quality excellence, and wider application fields. With safety protection, energy conservation, emission reduction and recycling, red phosphorus flame retardant masterbatch will be carried forward in the global polymer material industry and continue to write a brilliant new chapter.
    Where to Buy Red Phosphorus Flame Retardant Master Batch in China?
    As a trusted Red Phosphorus Flame Retardant Master Batch 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 Flame Retardant Master Batch 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 application fields of Red Phosphorus Flame Retardant Master Batch?
    Red phosphorus flame retardant masterbatch is also a new material in the chemical industry. It is stable and refractory, so it can resist fire disasters. In today's discussion of its application fields, there are about several ends, especially the left.
    First of all, red phosphorus flame retardant masterbatch is mostly used in the plastics industry. The cover plastic is flammable. If there is no suitable material to help prevent it, it will not be a disaster in case of fire. Today, red phosphorus masterbatch is mixed into plastics, which can make it difficult to burn in case of fire and inhibit the spread of flames. It is widely used in polypropylene, polyethylene, polycarbonate and other polymer materials. It is especially common in electronics, household appliance shells, and building materials. Due to modern construction, fire resistance and safety are essential, and home appliances need to protect personal health in particular. Therefore, red phosphorus masterbatch is very important.
    Secondly, red phosphorus flame retardant masterbatch is also used in fiber manufacturing. If the fiber is not flame retardant, it will burn quickly and be harmful to people. At the moment of textile, you can get textiles with flame retardant properties by adding masterbatch. It is widely used in carpets, curtains, car interiors, public transportation, etc., to escort people's daily safety. Fiber products are dyed and ready-to-wear, which is both beautiful and practical, and people are safe from fire. In addition, this masterbatch also shines brightly in the manufacture of electronic components. Wire and cable are ubiquitous today. However, due to the short circuit and the spread of fire, the red phosphorus masterbatch has been saved first, making the cable insulation layer non-flammable. Another example is the insulation shell of sockets, circuit breakers, and various connectors. The use of masterbatch can greatly improve its safety and protect the peace of families and factories.
    And in the transportation industry, the plastic parts of vehicles, ships, and aircraft are all heavy flame retardant, and the red phosphorus masterbatch has helped a lot. In recent years, new energy and electric vehicles have flourished, and the power battery cladding and high-voltage wiring all need flame retardant protection. The red phosphorus masterbatch acts as an important role.
    To sum up, the wide application of red phosphorus flame retardant masterbatch is not limited to plastics, fibers, electronics, cables, and transportation fields. Its safety benefits thousands of households, making it an essential material for contemporary safety threats.
    What safety precautions should be paid attention to during the use of the Red Phosphorus Flame Retardant Master Batch?
    Red Phosphorus Flame Retardant Master Batch is a flame retardant masterbatch with red phosphorus as the main material, used for polymer fire protection. Red phosphorus is flammable and toxic, and operation errors can easily cause catastrophe. If you want to improve its effect, you must first use it. Here are some safety matters. Be careful not to be slack, and you will be safe.
    Before operation, it is advisable to understand its properties. It is known that this material is in contact with air, and it is easy to spontaneously ignite and produce smoke. The smoke contains phosphoric acid mist and toxic phosphide. If people inhale it, it will cause respiratory diseases. To store it, you must avoid light and moisture, and place it in a cool and ventilated place to isolate fire sources and oxygen. Do not coexist with strong oxidants and acids. The storage container should be airtight and filled with an inert gas such as nitrogen or carbon dioxide to prevent oxidation.
    After opening, special tools should be used. Do not touch directly with bare hands. Wear chemical-proof gloves, goggles, and long-sleeved clothing. The operating place should be well ventilated, and the exhaust gas outlet should be kept away from crowded areas. In case of accidental skin contact, rinse quickly with a lot of water, and do not rub; if it splashes into the eye, rinse urgently with water for more than 15 minutes, and send it to the doctor as soon as possible.
    Red Phosphorus Flame Retardant Master Batch Before adding it to the matrix material, check the physical and chemical properties and applicable process, and do not change it arbitrarily. When adding materials and mixing, the mechanical equipment must have static dissipation measures to prevent sparks from igniting. Operators should wear portable gas detectors to monitor the concentration of combustible gases and toxic fumes in the working environment in real time.
    In case of leakage, use an inert adsorption material to cover the collection. Do not rinse directly with water to prevent the violent reaction of red phosphorus to generate heat and spontaneous combustion. After collection, dispose of it in a designated dangerous goods container, and dispose of it according to the waste standard of dangerous goods. Do not discard it at will. When transporting and unloading, keep away from heat sources, prevent vibration, and handle it with care.
    All its process links must be handled by a specially trained person who must be strictly trained, and must not be touched by untrained persons at will. Daily safety inspections in the factory area, and regular maintenance of facilities and equipment. Safety rules such as these should be adhered to. In this way, you can use this material as a material to demonstrate its flame retardant effect without any worries about future problems.
    What is the addition ratio of Red Phosphorus Flame Retardant Master Batch?
    Red phosphorus flame retardant masterbatch is a commonly used flame retardant additive in synthetic materials. Its addition ratio is related to the flame retardant performance of the product, and also affects the mechanical and processing properties of the material. Most plastics and resins used are mostly polypropylene, polyethylene, polycarbonate, etc., depending on the type of substrate, performance requirements and cost. Roughly speaking, plus the proportion of 3% to 10% more, some products with high fire protection requirements may have a proportion of up to 15%. However, if the ratio is too high, it will inevitably affect the mechanical strength and molding fluidity of the material itself, or cause the surface of the product to lose its luster, or even dull color. Therefore, it should be carefully considered and should not be applied hastily.
    The effectiveness of red phosphorus flame retardant masterbatch comes from its decomposition after being heated, releasing phosphorus compounds, covering the surface of the material, forming a flame retardant carbon layer, effectively isolating oxygen and preventing the spread of fire. Therefore, if you want the ideal flame retardant effect, you should calculate the experiment in detail according to the raw material formula, processing temperature and product thickness. When trying it for the first time, you can test it at a lower proportion to see if it meets the flame retardant standard or not, and then make adjustments. Do not add excess. Mainly used for injection molding, extrusion, blow molding products processing, it is appropriate to ensure that the masterbatch is evenly dispersed to achieve the flame retardant effect.
    In addition, although red phosphorus is highly flame retardant, it is easy to oxidize in case of moisture, so the formula is often coated to prevent moisture absorption and agglomeration. Storage and transportation should be placed in a sealed container, protected from light and moisture. During the project, it is also necessary to prevent contact with strong oxidants to prevent chemical reactions and cause safety hazards.
    To sum up, the ideal addition ratio of red phosphorus flame retardant masterbatch is about 3% to 10% according to the type of plastic raw materials, flame retardant standards, finished product thickness and processing technology. To obtain the best effect, it is recommended to first try a small experiment, adjust it step by step, and cooperate with the coating skills to ensure stable performance and excellent finished products, so as to achieve outstanding flame retardant effect.
    How does the Red Phosphorus Flame Retardant Master Batch affect the physical properties of the product?
    Red phosphorus flame retardant masterbatch, which is mainly composed of red phosphorus, supplemented by carriers and additives, is mixed into granules for flame retardancy of polymer materials. Examining its impact on the physical properties of the product, there are two ends: advantages and disadvantages coexist, and a balance needs to be considered.
    First discuss its advantages, red phosphorus has excellent heat resistance and significant flame retardant effect. Adding it to the polymer can effectively reduce the combustion rate, promote the self-extinguishing of the material, and improve the safety of the product. The red phosphorus masterbatch is evenly dispersed to avoid uneven mixing of powdered red phosphorus, which not only helps the processing operation, but also reduces the risk of flying. With modern blending methods, the size of the masterbatch is fine, and it is integrated into the structure of the resin, which less damages the surface flatness of the product. If the process is proper and the processing temperature is properly controlled, the original mechanical strength of the substrate will be little damaged.
    However, its disadvantages cannot be ignored. Red phosphorus is an inorganic substance, which is integrated into the polymer matrix to form a phase boundary. If it is unevenly dispersed, it is easy to cause internal stress to gather, and the strength of the product will be reduced over time. And red phosphorus meets air, moisture or some additives, or has a chemical reaction, which affects the transparency and color of the material, and the appearance of the product or produces defects. Under some conditions, red phosphorus masterbatch can slightly reduce the ductility of the material, making it weaker and brittle. Especially if the amount of addition is too high, this adverse effect is even worse.
    Overall, although the red phosphorus flame retardant masterbatch can improve the safety of materials, reduce fire hazards, and facilitate industrial production, there may be a slight decline in mechanical properties such as tensile, impact, and elongation, which may also interfere with the appearance and color of the product. Technicians need to apply materials, optimize the ratio, and strictly control the processing conditions to achieve the effect of both flame retardant and physical properties. In this way, the red phosphorus masterbatch can be used without major harm, and the safety and function of polymer products are excellent.
    What are the storage and shipping conditions for the Red Phosphorus Flame Retardant Master Batch?
    Red Phosphorus Flame Retardant Master Batch is mainly made of red phosphorus, with a variety of auxiliary materials, prepared by Seiko. Its properties are easy to react with air and moisture, or in case of high temperature, there is a risk of spontaneous combustion, and in case of oxidizing agents and strong acids, the reaction is more intense. Storage and transportation should be done with caution, strict rules, and few disasters can be avoided.
    The way of storage, must choose a dry and cool place, and it is strictly forbidden to expose to sunlight. The warehouse is well ventilated, and the temperature is constant, not higher than 30 degrees. It must be placed in a sealed container, tightly sealed to prevent moisture from invading. Do not mix with flammable, oxidizing, strong acid and other substances, and should be placed in sections and clearly marked. Keep away from fire and heat sources when storing, and it is strictly forbidden to smoke and burn on its side. Fire protection equipment should be installed in the warehouse to prevent accidents.
    When handling, move gently, avoid strong impact and friction, so as to avoid damage and dust. Transport equipment should be dedicated, have good sealing, and prevent rain and moisture. When loading and unloading materials, a special person should be responsible, and wear protective equipment, such as gloves, masks, etc. On the way, keep away from high temperature, open flames and chemicals, do not carry with food, and beware of pollution.
    If the packaging is damaged, it should be isolated and discarded in time, and it is strictly forbidden to dispose of it at will. It should be classified and managed in accordance with national environmental protection regulations to avoid secondary harm to people, things and the environment. In case of accidental leakage, immediately bury it with sand, etc., clean it up in time, and remove hidden dangers.
    Years pass, if the product is not used for a long time, it should be regularly inspected whether the package is broken, and whether the warehouse temperature and humidity are in compliance. Long-term storage for many years, or need to re-check the performance to ensure that its quality does not drop. Always keep in mind the principle of safety first, no omissions and slack, in order to ensure human safety and safety.