PP Flame Retardant Masterbatch
| HS Code | 928622 |
| Appearance | Typically granular or pellet - like |
| Base Resin | Based on polypropylene (PP) |
| Flame Retardant Mechanism | Interferes with combustion process, often by forming char or releasing non - flammable gases |
| Additive Concentration | Varies, but designed to achieve required flame retardancy levels |
| Melting Point | Similar to PP or adjusted to match processing needs |
| Thermal Stability | Can withstand typical PP processing temperatures without decomposition |
| Dispersibility | Good dispersibility in PP matrix for uniform flame retardancy |
| Mechanical Impact | Minimal negative impact on PP's mechanical properties like tensile strength and impact resistance |
| Weather Resistance | May have some level of resistance to UV and environmental factors |
| Compatibility | High compatibility with PP resins |
| Flammability Rating | Achieves specific ratings such as UL 94 V - 0, V - 1, etc. |
As an accredited PP Flame Retardant Masterbatch factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | PP Flame Retardant Masterbatch in 25 - kg bags for secure chemical packaging. |
| Storage | PP 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, which could affect its performance. Store in a sealed container to avoid contact with air and contaminants. Ideal storage temperature is around 5 - 35°C. |
| Shipping | PP Flame Retardant Masterbatch is shipped in well - sealed, sturdy containers. It adheres to strict chemical shipping regulations, ensuring safe transit to prevent any potential risks during transportation. |
Competitive PP 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
Email: sales2@liwei-chem.com
Historical Development
Since ancient times, chemical technology has become increasingly sophisticated. The use of plastic covers originated in the late 19th century. At that time, people used it widely for its light weight and convenience. However, plastics are flammable and often cause disasters, so the intellectuals try their best to find out. By the middle of the 20th century, European and American scholars created flame retardants, but their mixed use was not refined. Then craftsmen used polypropylene as the base, supplemented by various flame retardant materials, to refine flame retardant masterbatches. Since the 1980s, the production of PP flame retardant masterbatch has become increasingly prosperous, and China and foreign countries have competed to develop new ones. Either halogen-based, or halogen-free environmental protection is advocated, and the formula technology has been changed. Today's manufacturers make masterbatches with uniform grain shape and good dispersion. When used in products, the fire retardant masterbatch is highly effective. Looking back on its development path, we can see that technology has been passed down and technological innovation has become today's event.
Product Overview
PP flame retardant masterbatch is based on polypropylene, integrated with high-efficiency flame retardants and additives, and scientifically compatible. Its color is uniform, the particle shape is regular, the volatility is small, the dispersion is good, and the application is convenient. Used in PP plastic processing, it can greatly improve the fire resistance of the material, and the flame retardant grade can be up to UL94 V-0 and other standards. It is widely used in home appliance shells, automotive interiors, electronic devices and other products. Its advantages are three: one is that the amount of addition is small, and the flame retardant effect is significant; the other is that it does not migrate and does not affect the mechanical properties and appearance of the product; the third is environmentally friendly and halogen-free, in line with European Union ROHS and REACH regulations. The product process is simple, the mixing is uniform, and no additional equipment is required, which helps enterprises improve product safety and quality, and is relied upon by the modern high-performance polypropylene industry.
Physical & Chemical Properties
This PP flame retardant masterbatch is white or light in color, fine in granular shape, and smooth to the touch. The quality is tough, the density is moderate, and the specific gravity is about 0.92-0. Soluble in hydrocarbon solvents, insoluble in water and alcohol, high temperature resistance, can withstand 130 to 180 degrees Celsius without melting decomposition. The flammability has been reduced. After firing, there is less smoke and carbon residue, which can effectively stop the spread of fire. Chemical properties are stable, oxidation resistance, acid and alkali resistance, and it is not easy to change color or deteriorate after long-term storage. It has good compatibility with polypropylene resin, can be evenly dispersed in it, and has excellent molding performance. The smell is weak and there are few volatile substances, so it can be used in industrial and even household products, which is safe and secure.
Technical Specifications & Labeling
PP flame retardant masterbatch, based on polypropylene, blended with high-efficiency flame retardant. Its color is white or gray, the particles are uniform, and the surface is smooth. The density is about 0.95 to 1.10 grams per cubic centimeter, the melt index is 10 to 20 grams per ten minutes, and the moisture content is less than 0.2%. The flame retardant grade can reach UL94 V-0, and the ratio is recommended to be 2% to 6%. Adjust according to the flame retardant needs of the product. Suitable for injection molding, extrusion molding and other multi-processes, compatible with a variety of PP substrates. Store in a dry and ventilated place to prevent exposure to the sun and moisture. Composite woven bags are commonly used for packaging, with a net weight of 25 kg per bag. The production batch and specification number are clearly marked on the outside of the packaging bag to facilitate traceability and quality assurance.
Preparation Method
The polypropylene resin is selected as the base, supplemented by halogen-free flame retardant, dispersant and lubricant, and first mixed evenly by a high-mixing machine. Then it is put into a twin-screw extruder, which is continuously melted and plasticized under temperature control, and the flame retardant and resin are fully melted and blended. The shearing force in the machine makes the flame retardant factor finely dispersed. The key to the reaction is to uniformly penetrate and coat the particles, and regulate according to the extrusion temperature and rate to prevent the precipitation of flame retardants. The catalytic mechanism uses a synergist to promote the activation and decomposition of the flame retardant, forming a free base chain such as phosphorus and nitrogen, which releases phosphoric acid when heated, suppresses the flame and delays the spread of the flame. Cooling, water bath granulation, to obtain a flame retardant masterbatch, uniform particle size, outstanding performance, easy
Chemical Reactions & Modifications
The flame retardant masterbatch of polypropylene is based on polypropylene and modified by blending with various flame retardants. During the preparation process, flame retardants such as aluminum hydroxide, magnesium hydroxide, or phosphorus and nitrogen-containing compounds are respectively fused with the matrix. In high temperature melting, the flame retardant can not only be physically dispersed, but also biochemically react with the polypropylene chain to form an interfacial compatible structure. There is also a synergy effect, and the compounds are mixed and used to double the flame retardant efficiency. The way of modification, or surface coating, or functional group activation, makes it affinity with polypropylene. As for burning, the flame retardant is thermally decomposed, releasing non-flammable gases, and forming a carbon layer on the surface of the material, isolating oxygen and delaying the spread of flame. The combination of reaction and modification can make the product load higher and more versatile, suitable for electrical, electronic, automotive and other fields.
Synonyms & Product Names
PP flame retardant masterbatch is made by adding refractory agent to polypropylene resin, also known as PP flame retardant masterbatch, polypropylene flame retardant masterbatch, flame retardant polypropylene granules, and fire-resistant PP masterbatch. It may be called PP flame-resistant masterbatch, polypropylene fire-resistant masterbatch, all refer to the same kind of things. There are many changes in market trade names, such as FR-PP Masterbatch, PP Flame Jinzhu, PP Flame Retardant Masterbatch, PP Antiflame Pellet, etc., which vary with manufacturers and uses. Its properties are designed to improve the safety level of PP materials and are widely used in products that require flame retardant properties such as electrical enclosures, automotive components, and household appliances. No matter what the name is, it refers to the flame retardant additive formula used in polypropylene substrates to block flames and reduce combustion.
Safety & Operational Standards
PP flame retardant masterbatch is actually the essence of chemical industry, widely used, and has great efficacy. However, its performance is unique, and it must be handled in accordance with regulations to keep the body safe and stable. Its storage should be in a cool and dry place, away from direct sunlight, and away from fire and heat sources. The packaging is intact and tight, and it should not be invaded by moisture and prevent deterioration. During operation, you must wear gloves, eye masks and masks to prevent dust from invading the body. Although its smell is light, it will hurt your breathing if inhaled for a long time. It is confined to a well-ventilated room, and it should not be made behind closed doors. The tool should be cleaned after use to prevent its residue from staining and burning.
When feeding, it should be slowly and slowly, and it should not be dumped in an uproar to avoid dust flying. In case of leakage, quickly collect it with a sweeping tool, and disable water flushing to prevent slipping. If there is any contamination of the skin, wash it with water as soon as possible. Avoid entering the mouth, ask a doctor immediately if you eat it by mistake. Mixing and melting, strictly control the temperature, if it exceeds the height, the material will change, and it is prone to smoke, so be sure to avoid flames and sparks. Fire extinguishing equipment should be installed in the operation place, and it should be always on standby to prevent accidents in the future. When co-located with other things, choose carefully, and do not store with strong oxidizing agents. Waste residues should be disposed of in accordance with regulations, and should not be abandoned arbitrarily.
Workers should clearly avoid dangers and always be vigilant. Beginners should be supervised by those with sufficient experience, listen to training and teaching, and should not act arbitrarily. The system is established, and the duties are being enforced. Violators should not be punished severely. By keeping the law, it can not only ensure the safety of the people, but also make the utensils used for a long time. It is to be cautious in every link, so that there is no danger of fidelity.
When feeding, it should be slowly and slowly, and it should not be dumped in an uproar to avoid dust flying. In case of leakage, quickly collect it with a sweeping tool, and disable water flushing to prevent slipping. If there is any contamination of the skin, wash it with water as soon as possible. Avoid entering the mouth, ask a doctor immediately if you eat it by mistake. Mixing and melting, strictly control the temperature, if it exceeds the height, the material will change, and it is prone to smoke, so be sure to avoid flames and sparks. Fire extinguishing equipment should be installed in the operation place, and it should be always on standby to prevent accidents in the future. When co-located with other things, choose carefully, and do not store with strong oxidizing agents. Waste residues should be disposed of in accordance with regulations, and should not be abandoned arbitrarily.
Workers should clearly avoid dangers and always be vigilant. Beginners should be supervised by those with sufficient experience, listen to training and teaching, and should not act arbitrarily. The system is established, and the duties are being enforced. Violators should not be punished severely. By keeping the law, it can not only ensure the safety of the people, but also make the utensils used for a long time. It is to be cautious in every link, so that there is no danger of fidelity.
Application Area
PP flame retardant masterbatch is also an important product for adding flame retardant properties to polypropylene materials. Widely used in automotive parts, electrical enclosures, household goods, and building boards. The plastic products caused by it are not afraid of fire, and can self-extinguish in case of flame to ensure the safety of users. However, there are many materials, such as the coating of wires and cables, which need to resist high temperature and flame retardant, and this masterbatch is competent. Medical apparatus, office equipment, daily necessities and other fields are competing for selection, which is both safe and easy to shape. Chemical storage tanks, communication facilities, etc., those who need fire prevention and disaster avoidance also rely on this masterbatch to help. Industrial production, its benefits are significant, and the promotion is very fast. The cover is both safe and adaptable, and salty is the first choice for those who need flame retardant PP materials.
Research & Development
The flame retardant masterbatch of PP is the most important in the plastics industry. It can not only give polypropylene flame retardancy, but also lose its light and tough nature. The way of research and development requires many parties to study the type of flame retardant, and the integration of the carrier is matched, so that the dispersion is uniform and the effect is long-lasting. Technicians use the method of polymer modification to incorporate bromine, phosphorus, nitrogen and other elements into the masterbatch, carefully study the addition ratio, take into account environmental protection and efficacy, and prevent migration and precipitation, which is convenient for processing. During this time, polymer coating or auxiliary additives are introduced to increase the flame retardant efficiency. And the temperature and shear rate are controlled by the process of hot pressing extrusion, so that the particle size of the product is uniform and the performance is constant. Finished products, all flame retardant tests have reached international standards, which can meet the needs of many fields such as electronics, building materials, automobiles, etc. It is the research and development of PP flame retardant masterbatch, which is both innovative and practical.
Toxicity Research
Polypropylene flame retardant masterbatch is a modified material used in plastic products to increase its flame retardant effect. However, the flame retardant used in it contains bromine, phosphorus and other heterogeneity, which poses a risk of toxicity. The ancients tried to warn the world that "things will turn against each other", and this material is especially important to observe today. Try animal experiments, feed different proportions of masterbatch to observe its physiological response. Or see shortness of breath, or observe the fatigue of the liver and kidney, and over time, the visceral lesions appear. Then use cell tests, extract the leachate, and expose it to cell groups. It is seen that its activity is slightly reduced, and the cell membrane may be damaged. However, different formulas have different toxicity, and the harm caused is limited, which depends on the use environment and dosage. Statistical data should be evaluated cautiously to avoid potential risks in large-scale applications.
Future Prospects
Looking at the current situation, science is changing with each passing day, and hundreds of workers are competing for progress. The research and development of PP flame retardant masterbatch is gradually improving. Tracing back to its origin, fire safety is the foundation of all industries, but traditional materials may have flaws, making it difficult to meet the needs of efficient and environmental protection in this world. Today's wise people are dedicated and refined in their skills. They deeply integrate environmental protection flame retardant and polypropylene. The products have the virtues of safety, green, low carbon and durability, and are more useful. Looking forward to the future, with the world vigorously promoting green manufacturing and the increasing popularity of intelligent equipment, the technology of PP flame retardant masterbatch will be more refined, cost-effective, and the scope of application will also be extended to many fields such as transportation, construction, electronics, and home furnishing. It is expected that its potential is boundless, which can add luster to human well-being and make the dream of living and working in peace and content
Where to Buy PP Flame Retardant Masterbatch in China?
As a trusted PP 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 PP 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 PP Flame Retardant Masterbatch?
PP flame retardant masterbatch is made of polypropylene (PP for short) as its matrix, with a variety of flame retardant additives, supplemented by dispersants, lubricants and carriers. Its main components are listed as follows:
1. Polypropylene is the base. This is a polymer, which is brittle and has excellent chemical resistance and insulation, and is widely used in today's industry. The polypropylene in the masterbatch carries many additions, so that the substances can be evenly distributed to ensure the appearance of flame retardant effect.
2. The flame retardant is the real. Commonly used are halogen-based flame retardants, such as bromide and chloride, which can effectively cut off the chain of pyrolysis reaction; there are also halogen-free flame retardants, such as phosphorus-based, nitrogen-based compounds, or inorganic substances such as aluminum hydroxide and magnesium hydroxide, to meet the needs of green environmental protection. Flame retardants can prevent the spread of fire and greatly slow down the burning speed of materials.
Third, the main task of the dispersant palm. The flame retardant particles can be evenly divided into the polypropylene matrix, without agglomeration, and enhance the homogeneity and performance of the product.
Fourth, carriers and lubricants are also essential. The carrier is mostly polypropylene or its copolymer modifier, which is compatible with the main material and assists in the distribution of flame retardants; the lubricant gives the masterbatch excellent processability, making it easy to extrude, injection molding, and the finished product has a smooth surface and stable performance.
5. Other additives are added as needed, including antioxidants, stabilizers, etc., to improve the weather resistance, heat resistance and processing stability of the flame retardant masterbatch, and it will remain unchanged for a long time.
To put it simply, PP flame retardant masterbatch is based on polypropylene, flame retardant is the soul, supplemented by dispersion, lubrication, carrier and many additives, which complement each other to achieve its excellent flame retardant function and processing performance. It is widely relied on by various fields such as electronics, automobiles, building materials, home appliances, etc., so that the finished product can achieve a unique balance between safety and environmental protection.
1. Polypropylene is the base. This is a polymer, which is brittle and has excellent chemical resistance and insulation, and is widely used in today's industry. The polypropylene in the masterbatch carries many additions, so that the substances can be evenly distributed to ensure the appearance of flame retardant effect.
2. The flame retardant is the real. Commonly used are halogen-based flame retardants, such as bromide and chloride, which can effectively cut off the chain of pyrolysis reaction; there are also halogen-free flame retardants, such as phosphorus-based, nitrogen-based compounds, or inorganic substances such as aluminum hydroxide and magnesium hydroxide, to meet the needs of green environmental protection. Flame retardants can prevent the spread of fire and greatly slow down the burning speed of materials.
Third, the main task of the dispersant palm. The flame retardant particles can be evenly divided into the polypropylene matrix, without agglomeration, and enhance the homogeneity and performance of the product.
Fourth, carriers and lubricants are also essential. The carrier is mostly polypropylene or its copolymer modifier, which is compatible with the main material and assists in the distribution of flame retardants; the lubricant gives the masterbatch excellent processability, making it easy to extrude, injection molding, and the finished product has a smooth surface and stable performance.
5. Other additives are added as needed, including antioxidants, stabilizers, etc., to improve the weather resistance, heat resistance and processing stability of the flame retardant masterbatch, and it will remain unchanged for a long time.
To put it simply, PP flame retardant masterbatch is based on polypropylene, flame retardant is the soul, supplemented by dispersion, lubrication, carrier and many additives, which complement each other to achieve its excellent flame retardant function and processing performance. It is widely relied on by various fields such as electronics, automobiles, building materials, home appliances, etc., so that the finished product can achieve a unique balance between safety and environmental protection.
What is the addition ratio of PP Flame Retardant Masterbatch?
In the plastics industry, polypropylene (PP) material is widely used, but its nature is flammable, and it spreads rapidly in case of fire, endangering the safety of the product. Therefore, in the preparation process, it is often necessary to add flame retardant masterbatch to improve the fire resistance of the material. The flame retardant masterbatch is the polymer particle containing the flame retardant, which is mixed and formed with the PP raw material. However, the proportion of its addition depends on the actual application, the type of flame retardant, and the standard requirements.
If according to the conventional standard, it is mostly measured in the mass percentage. Generally speaking, the proportion of flame retardant masterbatch added to PP is 3% to 10%, which can ensure the flame retardant effect without damaging the performance of the substrate. If the V-2 grade flame retardant standard is pursued, the addition ratio needs to be about 5%. If it wants to reach the V-0 grade, it needs to be increased to 7% or even more than 10%. If the thickness of the material is reduced, or the flame retardant performance is very high, the addition amount should also be increased or decreased as appropriate. However, if too much is added, the mechanical strength and processing fluidity of the product may decrease, and even the surface finish will be weakened, which must be weighed.
The choice of masterbatch is also particular, and its compatibility and dispersion directly affect the flame retardant effect. The selection of high-efficiency and environmentally friendly flame retardants, such as bromine, phosphorus, nitrogen, etc., can be prepared according to the actual processing technology. During operation, it is advisable to use a high mixing ratio machine to mix the masterbatch and raw materials evenly to ensure that the flame retardant is dispersed throughout the system to achieve the expected flame retardant level. Pay attention to equipment cleaning to prevent the residue of the previous batch from affecting the quality. If the processing is satisfied, it can be formed well, and the flame retardant safety is both.
In short, the addition ratio of PP flame retardant masterbatch should be comprehensively considered according to product standards, performance requirements, and material thickness, and the pros and cons should be weighed. Usually 3% to 10% is the trade-off range, and 5% to 7% is the most common. Careful selection of masterbatch and careful craftsmanship can ensure both product quality and safety.
If according to the conventional standard, it is mostly measured in the mass percentage. Generally speaking, the proportion of flame retardant masterbatch added to PP is 3% to 10%, which can ensure the flame retardant effect without damaging the performance of the substrate. If the V-2 grade flame retardant standard is pursued, the addition ratio needs to be about 5%. If it wants to reach the V-0 grade, it needs to be increased to 7% or even more than 10%. If the thickness of the material is reduced, or the flame retardant performance is very high, the addition amount should also be increased or decreased as appropriate. However, if too much is added, the mechanical strength and processing fluidity of the product may decrease, and even the surface finish will be weakened, which must be weighed.
The choice of masterbatch is also particular, and its compatibility and dispersion directly affect the flame retardant effect. The selection of high-efficiency and environmentally friendly flame retardants, such as bromine, phosphorus, nitrogen, etc., can be prepared according to the actual processing technology. During operation, it is advisable to use a high mixing ratio machine to mix the masterbatch and raw materials evenly to ensure that the flame retardant is dispersed throughout the system to achieve the expected flame retardant level. Pay attention to equipment cleaning to prevent the residue of the previous batch from affecting the quality. If the processing is satisfied, it can be formed well, and the flame retardant safety is both.
In short, the addition ratio of PP flame retardant masterbatch should be comprehensively considered according to product standards, performance requirements, and material thickness, and the pros and cons should be weighed. Usually 3% to 10% is the trade-off range, and 5% to 7% is the most common. Careful selection of masterbatch and careful craftsmanship can ensure both product quality and safety.
Does PP Flame Retardant Masterbatch affect the physical properties of PP products?
Polypropylene (PP) is a common polymer material today, with light weight and low price, excellent performance, and is widely used in many fields. However, its nature is flammable, and it is limited to some harsh environments, which affects the safety of the product. Therefore, flame retardant masterbatch is added in order to improve its flame retardant grade and expand its applicable field. However, although flame retardant masterbatch can give polypropylene flame retardant properties, its impact on physical properties cannot be ignored.
The addition of flame retardant masterbatch to polypropylene matrix is actually a matter of mixing heterogeneous materials. The flame retardant in the masterbatch is often halogen, hydroxide, phosphorus-based or inorganic fillers, etc. Its dispersion, particle size and compatibility with the matrix are all closely related to the performance of the final product. Flame retardants are unevenly distributed, which can easily cause stress concentration within the material, which in turn affects the mechanical properties of the product. Generally speaking, if the content of flame retardant masterbatch increases, the tensile strength, impact toughness and elongation at break of PP products tend to decrease. The reason is that the flame retardant particles are still mixed in, which hinders the interaction between the polymer chains and makes the integrity of the material decline.
Furthermore, some flame retardants have poor compatibility with polypropylene, which can easily lead to fragile phase interfaces. Over time, the product is easy to crack. If a high-efficiency synergist is selected, the flame retardant effect can also be improved on the one hand, and the loss of physical properties can be cushioned on the other hand. If the process is reasonably optimized, such as adding a toughening agent and blending modification in an appropriate amount, it can also make up for the reduction in strength caused by the flame retardant masterbatch.
In addition, flame retardants may still affect the appearance and thermal properties of the product. Some inorganic flame retardants have coarse particle sizes, which are easy to cause rough surfaces and affect aesthetics. Another example is that halogen flame retardants are easy to precipitate at high temperatures, and over time, the heat resistance of the product decreases slightly. If the aging-resistant stabilizer is not compatible, there is still a risk of interfering with the life of the material.
In summary, although PP flame retardant masterbatch gives the material the benefit of flame retardancy, it will inevitably damage the physical properties. Depending on the type, dosage, dispersion and compatibility of the flame retardant, if the design and process can be optimized, there can be a balance between safety and performance, so that the application of polypropylene products can benefit from the whole.
The addition of flame retardant masterbatch to polypropylene matrix is actually a matter of mixing heterogeneous materials. The flame retardant in the masterbatch is often halogen, hydroxide, phosphorus-based or inorganic fillers, etc. Its dispersion, particle size and compatibility with the matrix are all closely related to the performance of the final product. Flame retardants are unevenly distributed, which can easily cause stress concentration within the material, which in turn affects the mechanical properties of the product. Generally speaking, if the content of flame retardant masterbatch increases, the tensile strength, impact toughness and elongation at break of PP products tend to decrease. The reason is that the flame retardant particles are still mixed in, which hinders the interaction between the polymer chains and makes the integrity of the material decline.
Furthermore, some flame retardants have poor compatibility with polypropylene, which can easily lead to fragile phase interfaces. Over time, the product is easy to crack. If a high-efficiency synergist is selected, the flame retardant effect can also be improved on the one hand, and the loss of physical properties can be cushioned on the other hand. If the process is reasonably optimized, such as adding a toughening agent and blending modification in an appropriate amount, it can also make up for the reduction in strength caused by the flame retardant masterbatch.
In addition, flame retardants may still affect the appearance and thermal properties of the product. Some inorganic flame retardants have coarse particle sizes, which are easy to cause rough surfaces and affect aesthetics. Another example is that halogen flame retardants are easy to precipitate at high temperatures, and over time, the heat resistance of the product decreases slightly. If the aging-resistant stabilizer is not compatible, there is still a risk of interfering with the life of the material.
In summary, although PP flame retardant masterbatch gives the material the benefit of flame retardancy, it will inevitably damage the physical properties. Depending on the type, dosage, dispersion and compatibility of the flame retardant, if the design and process can be optimized, there can be a balance between safety and performance, so that the application of polypropylene products can benefit from the whole.
What PP Flame Retardant Masterbatch is suitable for?
The flame retardant masterbatch of polypropylene is a special material that gives flame retardant properties to polypropylene (PP). In plastic processing, its application range is very wide. This masterbatch can be used in injection molding, extrusion, blow molding, spinning and sheet molding, etc., all of which can play a flame retardant effect.
If it is an injection molding process, it is suitable for the production of household appliances, electrical accessories, auto parts, etc., which requires complex shapes and variable structures. The application of flame retardant masterbatch can make the product non-flammable in case of fire and greatly increase the safety performance. Extrusion method is mostly used in the manufacture of pipes, sheets, films, plates and other products. Flame retardant masterbatch and PP raw materials are uniformly mixed and extruded at high temperature to form flame retardant tubes, plates and films. These products are mostly used in construction, electronic and electrical applications that require fire protection. The blow molding process is mainly used to form hollow products, such as bottles, cans, containers and hollow plates. The application of flame retardant masterbatch makes the finished products both light and tough, and has the advantages of flame retardancy. It is especially suitable for industries with high safety requirements in packaging, storage and transportation.
As for the spinning process, the flame retardant masterbatch is doped with polypropylene spinning raw materials to produce flame retardant fibers by mechanical and thermal processing. It can be used in carpets, curtains, automotive interiors, industrial fabrics and other fields, which can better meet special safety needs than other methods. Thermoforming, casting, coating and other PP processing methods also use flame retardant masterbatch to show its fire resistance. Overall, all PP-based molding processes mostly use flame retardant masterbatch. No matter what kind of complex structure and use, salty can make its flame retardant performance meet the standard.
However, the application of flame retardant masterbatch must be based on the characteristics of each process, such as processing temperature, mixing uniformity, shear strength, etc., adjust the ratio and operating parameters as appropriate. If the matching is improper, it is easy to cause uneven distribution of the masterbatch and eventually lose the flame retardant effect. Therefore, the use of high-quality flame retardant masterbatch and strict compliance with the processing procedures are the right way to ensure the flame retardant performance of polypropylene products.
If it is an injection molding process, it is suitable for the production of household appliances, electrical accessories, auto parts, etc., which requires complex shapes and variable structures. The application of flame retardant masterbatch can make the product non-flammable in case of fire and greatly increase the safety performance. Extrusion method is mostly used in the manufacture of pipes, sheets, films, plates and other products. Flame retardant masterbatch and PP raw materials are uniformly mixed and extruded at high temperature to form flame retardant tubes, plates and films. These products are mostly used in construction, electronic and electrical applications that require fire protection. The blow molding process is mainly used to form hollow products, such as bottles, cans, containers and hollow plates. The application of flame retardant masterbatch makes the finished products both light and tough, and has the advantages of flame retardancy. It is especially suitable for industries with high safety requirements in packaging, storage and transportation.
As for the spinning process, the flame retardant masterbatch is doped with polypropylene spinning raw materials to produce flame retardant fibers by mechanical and thermal processing. It can be used in carpets, curtains, automotive interiors, industrial fabrics and other fields, which can better meet special safety needs than other methods. Thermoforming, casting, coating and other PP processing methods also use flame retardant masterbatch to show its fire resistance. Overall, all PP-based molding processes mostly use flame retardant masterbatch. No matter what kind of complex structure and use, salty can make its flame retardant performance meet the standard.
However, the application of flame retardant masterbatch must be based on the characteristics of each process, such as processing temperature, mixing uniformity, shear strength, etc., adjust the ratio and operating parameters as appropriate. If the matching is improper, it is easy to cause uneven distribution of the masterbatch and eventually lose the flame retardant effect. Therefore, the use of high-quality flame retardant masterbatch and strict compliance with the processing procedures are the right way to ensure the flame retardant performance of polypropylene products.
What flame retardant grades can PP Flame Retardant Masterbatch achieve?
PP flame retardant masterbatch is a commonly used additive in polypropylene materials. Its main function is to enhance the flame resistance of PP materials, so that it can be safely compliant in practical applications. If the flame retardant grade of PP Flame Retardant Masterbatch can be reached, it probably has the following grades:
First, the UL94 standard is a globally accepted flame retardant performance test method, and it is divided into V-0, V-1, V-2 and other grades. If PP is added with high-quality flame retardant masterbatch, it can reach V-2, V-1, or higher and V-0. V-2, self-extinguishing two seconds after the flame is gone, and no molten droplets can ignite the cotton wool; V-1, self-extinguishing faster, a hundred times more than V-2; to V-0, one second after the flame is gone, self-extinguishing, no molten droplets, is really superior.
Second, according to the LOI (limiting oxygen index) test, ordinary PP masterbatch can make the product limit oxygen index from 17, 8 to 27, 30 or even higher. According to the national standard GB/T 2406.2, the oxygen index is determined. Generally speaking, those who add high-efficiency masterbatch can usually obtain a high index of more than 28%, which is required for flame retardant finished products.
Third, some high-performance flame retardant masterbatches, if the halogen-free system is used, are both environmentally friendly and safe, and can also meet the European Union RoHS and REACH specifications, and meet the needs of high export standards. Such masterbatch products not only have high flame retardant grades, but also have no halogen precipitation hazards.
Fourth, the different processes, compatibility and dosage of PP flame retardant masterbatches also directly affect the flame retardant grade obtained by the material. With exquisite craftsmanship, a small amount can make the material reach V-0 or LOI 30%; if the technique is not perfect, the effect will also be reduced.
In summary, the PP Flame Retardant Masterbatch can reach the grades of flame retardant V-2, V-1, and V-0, and can also greatly increase the limiting oxygen index of the product. Its effectiveness depends on the type, dosage, and substrate performance of the selected masterbatch. Today's high-end masterbatches can often meet the requirements of UL94 V-0 and LOI of more than 28%, and can be widely used in electronics, electrical, construction, automotive and other fields to provide a solid guarantee for material safety.
First, the UL94 standard is a globally accepted flame retardant performance test method, and it is divided into V-0, V-1, V-2 and other grades. If PP is added with high-quality flame retardant masterbatch, it can reach V-2, V-1, or higher and V-0. V-2, self-extinguishing two seconds after the flame is gone, and no molten droplets can ignite the cotton wool; V-1, self-extinguishing faster, a hundred times more than V-2; to V-0, one second after the flame is gone, self-extinguishing, no molten droplets, is really superior.
Second, according to the LOI (limiting oxygen index) test, ordinary PP masterbatch can make the product limit oxygen index from 17, 8 to 27, 30 or even higher. According to the national standard GB/T 2406.2, the oxygen index is determined. Generally speaking, those who add high-efficiency masterbatch can usually obtain a high index of more than 28%, which is required for flame retardant finished products.
Third, some high-performance flame retardant masterbatches, if the halogen-free system is used, are both environmentally friendly and safe, and can also meet the European Union RoHS and REACH specifications, and meet the needs of high export standards. Such masterbatch products not only have high flame retardant grades, but also have no halogen precipitation hazards.
Fourth, the different processes, compatibility and dosage of PP flame retardant masterbatches also directly affect the flame retardant grade obtained by the material. With exquisite craftsmanship, a small amount can make the material reach V-0 or LOI 30%; if the technique is not perfect, the effect will also be reduced.
In summary, the PP Flame Retardant Masterbatch can reach the grades of flame retardant V-2, V-1, and V-0, and can also greatly increase the limiting oxygen index of the product. Its effectiveness depends on the type, dosage, and substrate performance of the selected masterbatch. Today's high-end masterbatches can often meet the requirements of UL94 V-0 and LOI of more than 28%, and can be widely used in electronics, electrical, construction, automotive and other fields to provide a solid guarantee for material safety.
