Flame Retardnt Masterbatch For Pbt

Flame Retardnt Masterbatch for PBT

    Specifications
    HS Code 677532

    As an accredited Flame Retardnt Masterbatch for PBT 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 PBT Flame Retardant Masterbatch, securely packaged for safe storage.
    Storage Flame Retardant Masterbatch for PBT 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. Store in its original, tightly - sealed packaging to maintain its quality and prevent contamination. Avoid storing near reactive chemicals.
    Shipping Flame Retardant Masterbatch for PBT is shipped in sealed, sturdy containers to prevent contamination. It's transported under controlled conditions, ensuring compliance with chemical shipping regulations to safeguard quality and safety.
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    Flame Retardnt Masterbatch for PBT Flame Retardnt Masterbatch for PBT
    General Information
    Historical Development
    The origin of the flame retardant masterbatch, used for PBT, can be traced back to the last century. At the beginning, PBT grease was widely used in electronics, electrical appliances, and automobiles, and its flammability was worrying. There are some sages, and it is appropriate to study it, in order to increase the flame resistance material, but the mixing is slightly uneven, and the performance is greatly deteriorated. Then the technology advanced, and the flame retardant masterbatch came into being. With high dispersion force, the flame retardant and the carrier are compounded to form micro-particles, which are evenly distributed in the PBT. It can not only maintain its mechanical strength, but also overcome the harm of color stain. Today, environmental protection regulations are becoming increasingly strict, and flame retardant masterbatch has added green and halogen-free new technologies to meet international requirements. The changes in Sri Lanka have witnessed the prosperity of craftsmanship and technology since the 1930s, and the achievements in fire safety in the field of PBT are obvious to all.
    Product Overview
    This product is a special flame retardant masterbatch for PBT resin. It is refined with high-efficiency flame retardant components and high-quality carriers. It has a uniform appearance and is easy to disperse. Its mild nature does not change its true color, and the addition ratio is moderate. It can make PBT materials obtain excellent flame retardant properties, in line with international standards such as UL94 V-0, and there is no obvious precipitation or corrosion of molds during processing. This masterbatch has good thermal stability, adapts to injection molding and extrusion processes, and has high compatibility. It can be used in combination with various types of additives. The auxiliary products are both flame retardant and mechanical. It is suitable for use in electronics, electrical appliances, automobiles and other fields that require high flame retardancy to ensure the safety and longevity of products. It is actually the best choice to improve the performance of PBT products.
    Physical & Chemical Properties
    This flame retardant masterbatch has uniform properties, white color, dense particles and solid texture. Its main body is based on polybutylene terephthalate, supplemented by high-efficiency flame retardant, mixed evenly to form. High melting point, excellent heat resistance, self-extinguishing in case of fire, difficult to burn. Excellent thermal stability, moderate melt fluidity, easy to process and mould. Suitable density, good dispersion, easy to mix evenly with PBT resin. Stable chemical properties, acid and alkali resistance, light and oxygen resistance, not easy to decompose and deteriorate. Non-toxic and tasteless at room temperature and pressure, no volatile substances escape. When decomposed at high temperature, no corrosive gas is released, which has little effect on the color and mechanical properties of plastic parts. This masterbatch can effectively enhance the flame retardant grade of PBT without compromising its original characteristics, making it an excellent material for engineering plastics modification.
    Technical Specifications & Labeling
    This flame retardant masterbatch is called Flame Retardant Masterbatch for PBT. The color is mostly white or yellowish, and the shape is like round grains. Its main components are high-efficiency phosphorus and nitrogen-based flame retardants and polyester carriers, and the content far exceeds that of ordinary products. The density is about 1.2 grams per cubic centimeter, and the melting range is 220 to 250 degrees Celsius. The flame retardant grade can reach UL 94 V-0. Under the standard test, it does not delay combustion and does not drip. The particle size is uniform, and the moisture content is less than 0.25%. Good compatibility, suitable for blending of PBT and its reinforced products. Processing is suitable for injection molding, extrusion and other processes. It is recommended to add ten to twenty-five parts to the hundred parts matrix. Storage should be cool and dry, protected from light and moisture. Composite bags are commonly used for packaging, with a net weight of 25 kilograms per bag. It is widely used in the fields of electrical, electronic and automotive parts.
    Preparation Method
    Polybutylene terephthalate (PBT) was selected as the substrate, supplemented by phosphorus-based flame retardants, halogen-free additives and synergistic agents, and the coating agent of various surface treatments was combined. First in the high-speed mixer, the raw materials were uniformly mixed, and the twin-screw extruder was used to blend and melt under the conditions of suitable temperature and pressure. During this period, the flame retardant and the matrix were melted and fused, and the surface coating agent helped disperse and fine. Subsequently, the melt was granulated and cooled to obtain a homogeneous masterbatch. The reaction steps were physical mixing and chemical coating, and the flame retardant system formed a stable bond between the PBT molecules, which decomposed to form an inert gas barrier during thermal cracking to inhibit combustion expansion. The catalytic mechanism relies on the synergist to adjust the decomposition temperature, promote the efficient release of flame retardants, and finally make the masterbatch have excellent flame resistance.
    Chemical Reactions & Modifications
    Flame Retardant Masterbatch for PBT is based on polybutylene terephthalate, mixed with flame retardant, and mixed at high temperature. Its chemical reaction depends on the synergy between the main agent and the auxiliary agent. The flame retardant decomposes and releases acidic gases at high temperature, which can capture free radicals and cut off the chain reaction, making the polymer difficult to burn. Or there are expansion additives, which expand rapidly in the flame to form a carbon layer and isolate oxygen. There are also nitrogen and phosphorus elements, which are modified by surface grafting, interface coating and other means to improve their compatibility with PBT and prevent precipitation. This modification method can not only ensure the mechanical properties of the body, but also improve the flame retardant grade of the product. With dispersants and compatible agents, the particles are evenly distributed in the matrix, and the finished product has excellent color and performance. The flame retardant masterbatch prepared in this way is widely used in electronics, electrical appliances and other fields, which not only ensures safety, but also aesthetics and practicality.
    Synonyms & Product Names
    Flame retardant masterbatch is an important product in the chemical industry in today's city and is widely circulated. It is used among PBT resins, especially known as PBT flame retardant masterbatch, or PBT flame retardant masterbatch, also known as poly (butylene terephthalate) flame retardant masterbatch. There are many terms in the market, such as PBT special flame retardant masterbatch, PBT special flame retardant, PBT plus flame retardant granules, PBT fire retardant masterbatch and PBT flame retardant, etc., all refer to this thing. Or there are trade names such as Lianghuo An, Poly'an Tian, Yuflamebao, Anjixin, Protective P, and Flame-resistant Bao. This product can give PBT the effect of flame retardancy, and is suitable for many fields such as electrical components and electronic shells. It can not only stabilize the shape, but also help to improve the safety of products. In the trade of city people, it is often referred to as "flame retardant masterbatch" and "flame retardant masterbatch", etc., so different names are passed down, and there is a real one. The name is different and the performance is not easy.
    Safety & Operational Standards
    The flame retardant masterbatch is added to the product and used in the process of butylene phthalate (PBT). Strict safety and operation specifications should be adhered to. The packaging of the masterbatch must be checked in advance. If there is any leakage, moisture or abnormal condition, do not use it and report it to the supervisor. The operator should wear gloves, masks, and protective clothing to avoid skin adsorption and dust inhalation. The masterbatch must be taken in a special utensil, and other substances should not be mixed to avoid impurities from infiltrating and harming production. The workplace is well ventilated. If the gas escapes, it must be left immediately and air extraction equipment should be enabled to reduce the retention of harmful gases.
    The temperature should be strictly controlled according to the process standards to prevent overheating, overheating or burning from generating toxic fumes. When the masterbatch splashes on the ground, it should be cleaned quickly, and no water should be rinsed to avoid slipping and environmental pollution. The remaining masterbatch residues should be sealed in their original capacity, away from sunlight, fire sources and high temperature places. Do not throw them arbitrarily, and place them in a square position according to the management of dangerous chemicals. At the end of the post every day, you must comprehensively inspect the storage place and explain clearly with colleagues.
    When handling the masterbatch, you should handle it lightly to avoid severe impact, prevent damage to the masterbatch, and escape dust. If you accidentally touch or inhale the masterbatch, you should immediately rinse the relevant parts with water, and seek medical attention in severe cases. Open flames and tobacco are prohibited in the operation room, and spark tools should be avoided to avoid the disaster of burning. Other process equipment shall be the responsibility of a special person, and there is no risk of loosening or vibration during regular inspection. In case of abnormality, emergency shutdown shall be carried out, and the machinery shall be handled according to the reporting procedures. It is forbidden to repair or decompose the machinery without authorization.
    Cultivate and operate employees, who must receive safety education, memorize the operation process, and be proficient in emergency measures, all of which are stipulated in the enterprise management regulations. The implementation of "safety first, standardization as the key" is the most important thing in daily implementation. If this can be followed, the process of flame retardant masterbatch can ensure personal safety, good quality and safe production.
    Application Area
    Flame retardant masterbatch is widely used for PBT. It is used in electrical appliances, commonly found in plugs, switches, junction boxes and lamps to enhance the heat resistance and flame resistance of products and prevent fires. And in automobile manufacturing, interior parts and connectors, it is relied on to improve safety standards. Industrial control equipment and home appliance shells are also more adopted to ensure the performance of products and prolong their life. Nodes and terminal components required in the communication equipment industry also benefit from this, not afraid of the risk of high temperature short circuit. In rail transit, new energy and other fields, all those with PBT materials need flame retardant masterbatch to increase their fire resistance and meet regulatory requirements. This product has the advantages of good dispersion and convenient processing, and is relied upon by many industrial manufacturers. Its application becomes increasingly important with the rapid development of science and technology.
    Research & Development
    Since ancient times, technological innovation has relied on research and delicate thinking. Today, the plastics industry is popular, and fire safety is particularly important. Therefore, in the application of PBT materials, it is urgent to develop flame retardant masterbatches. The reason is that the high-efficiency flame retardant is evenly mixed into the masterbatch, which not only maintains the nature of the material, but also inhibits the combustion speed. During the research and development, we learned from others' strengths and selected new nitrogen and phosphorus compound and halogen-free environmentally friendly formulas to overcome the difficulties of compatibility and migration resistance. Thousands of tests were conducted, and finally we obtained products with excellent thermal stability and mechanical strength. During this period, the dispersion process was precisely controlled to optimize the particle size ratio, which not only improved product quality, but also reduced dosage and cost. Covering this flame retardant masterbatch is widely needed in the fields of new energy vehicles, electronic appliances, etc. It is an essential part of industrial safety and green development.
    Toxicity Research
    Flame Retardent Masterbatch for PBT is a new chemical agent used to increase the flame retardancy of polybutylene terephthalate. However, although the physical properties are beneficial, the toxicity cannot be ignored. The agent contains more bromine, phosphorus and other elements, which are exposed to fire, or in case of high temperature, are prone to harmful gases. Smoke and dust escape, or highly toxic halides, dioxins, furans, etc. are distributed in the wind, and inhaled by the human body, which is easy to cause respiratory burns or chronic poisoning. Experimented on mice, it is possible to see that their liver and kidneys are slightly damaged and fetal deformities are possible. If discarded inappropriately and flowed into soil and water bodies, it can still affect the ecology, causing the death of fish and turtles, or the wilting of plants. It is necessary to carefully protect the production, storage and disposal, and to use engineering control, closed ventilation and proper storage to reduce its harm and harmonize the symbiosis between man and nature.
    Future Prospects
    Looking at today's technology, those who use flame retardant masterbatches for PBT have gained recognition of its essence. The demand for cover polymer materials has increased sharply, and many industries rely on its performance improvement. This flame retardant masterbatch can not only give PBT excellent flame retardancy, but also combine bright color and mechanical strength, which is in line with intelligent manufacturing and green environmental protection. Future development should be based on nanotechnology and innovative formulas to make flame retardant efficiency more extreme, environmentally friendly and halogen-free, and resource recycling. International market development, Quality Standards will become increasingly stringent, and products need to win the trust of the world. If it can be deeply integrated with automation and informatization, it will definitely expand the application field in the automotive, electronics, and electrical industries. Looking to the future, the co-evolution of flame retardant masterbatch and PBT is expected to lead the wave of new materials and achieve sustainable development.
    Where to Buy Flame Retardnt Masterbatch for PBT in China?
    As a trusted Flame Retardnt Masterbatch for PBT 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 Flame Retardnt Masterbatch for PBT supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

    What is the Flame Retardnt Masterbatch for PBT?
    Flame retardant masterbatch is a commonly used additive in the plastics industry, which aims to improve the flame resistance of polymer materials. Polybutylene terephthalate, referred to as PBT, has good mechanical strength, chemical resistance and electrical properties, but its nature is flammable, and in practical applications, more flame retardants need to be added to ensure safety. Therefore, flame retardant masterbatch came into being, specially designed for polymer composites such as PBT, so that its products can pass the inspection of various flame retardant standards.
    This test flame retardant masterbatch is used for PBT materials and is often graded according to UL-94 international standard. It is the authority on the combustion performance of plastics, divided into HB, V-2, V-1, V-0, etc. Among them, the V-0 grade is the most severe, requiring the sample to self-extinguish after leaving the fire source within a specified time, without the appearance of molten droplets igniting cotton. V-1 and V-2, in turn, decrease, and the combustion performance is gradually relaxed.
    Most of the flame retardant masterbatches sold in the market today can help PBT materials reach V-2 and V-0 grades. The specific grade that can be achieved depends on the formula and addition ratio of the masterbatch. If a high-efficiency flame retardant system such as bromine and phosphorus is used, and a synergist is used, the PBT product can often reach UL-94 V-0 grade. If the thickness of the product is 1.6 mm, it can self-extinguish within ten seconds in the experiment, and there is no drop igniting cotton phenomenon. If the formula is still adjusted and the thickness is relaxed, the flame retardant performance can be further improved.
    However, in addition to affecting the flame retardant grade, the flame retardant masterbatch may also affect the intrinsic properties of PBT, such as mechanical properties, fluidity, etc. When designing the formula, it is necessary to take into account the balance between flame retardancy and product performance. Many manufacturers will adjust the amount of masterbatch according to actual needs, and strive to meet the flame retardant grade and take into account the comprehensive performance of the product.
    To sum up, if the flame retardant masterbatch of PBT is properly matched and suitable for the variety, it can usually make PBT products reach UL-94 V-0 grade. The specific grade acquisition still needs to be comprehensively determined according to the specific formula of the material, product thickness, process conditions and test specifications, and cannot be generalized. It can be seen that flame retardant masterbatch is essential for improving the fire performance of PBT and is one of the indispensable accessories for high-performance plastic products.
    What is the recommended addition ratio of Flame Retardnt Masterbatch for PBT?
    Polybutylene terephthalate, referred to as PBT, is tough in nature and has good chemical resistance. However, it is flammable. When it is used in electronics, electrical appliances and other fields, the demand for flame resistance is particularly urgent. Therefore, it is necessary to incorporate flame retardant masterbatch to improve the safety level. The so-called flame retardant masterbatch is that the flame retardant is dispersed and processed into granules by the carrier resin, which is easy to feed, and the dispersion is uniform and the performance is stable. The addition ratio is not universal, and it must vary according to product specifications, flame retardant grades, and process conditions. However, conventional experience requires an extra 2% to 15%.
    If you want to reach UL94 V-0 grade, usually the addition amount of flame retardant masterbatch needs to be 8% to 15%. The specific ratio depends on the active content of the flame retardant masterbatch, compatibility, and wall thickness of the product. If only V-2 or V-1 is required, the addition ratio can be reduced, about 2% to 8%. The slight difference between them is caused by many process parameters. For example, if the content of active flame retardant in the masterbatch is high, the lower limit is desirable, and vice versa, the upper limit is applied. However, remember that if the addition is too high, it may cause the mechanical properties of the product to decline, the processing fluidity to deteriorate, and even precipitation phenomenon, which will lose its usefulness. It is particularly critical to choose the appropriate content of flame retardant masterbatch.
    Furthermore, the masterbatch carriers and flame retardant formulas provided by different manufacturers are different. Users must comprehensively measure the technical information, actual sample effect, production cost and other factors provided by the supplier, and take into account the restrictions of environmental regulations on harmful substances such as halogens. Do not take flame retardant masterbatches containing prohibited ingredients. When the sample is being evaluated, it is advisable to trial-produce it in small batches to observe its fluidity, mechanical strength, apparent color and flame retardant grade to ensure that the addition ratio not only meets the flame retardant standard, but also does not damage the product performance.
    In summary, for the blending of PBT with flame retardant masterbatch, the addition ratio should be 2% to 15% as the usual range. The specific amount depends on the required flame retardant grade, product structure and masterbatch performance, so as to choose the best among safety, performance and economy.
    Does Flame Retardnt Masterbatch for PBT affect the mechanical properties of PBT materials?
    Flame retardant masterbatch is used for PBT, and its properties mostly affect the mechanical properties of the material. Fu PBT has good mechanical properties, including high strength, heat resistance, impact resistance and many other advantages. However, in order to deal with high combustion risk occasions, flame retardant masterbatch is often added to improve flame retardancy. The composition of flame retardant masterbatch is complex, and it is mostly based on bromine, phosphorus, nitrogen, etc., or mixed with inorganic additives to assist in fire suppression. However, since the ancient physical properties repel each other, the addition of non-native components often causes some concerns.
    After the flame retardant is mixed into the PBT matrix, its intermolecular interaction and the original chain structure are staggered, which will inevitably change the inherent characteristics of the material. Where the particle size of the flame retardant is large and the distribution is not uniform, it is prone to defects at the interface. This defect reduces the mechanical combination of materials on the one hand, and hinders the slippage of molecular chains on the other. If it is added at high doses, it is especially easy to promote brittleness and reduce impact resistance. In addition, if the flame retardant masterbatch is surface active, sometimes it tends to attach to the original polymer chain, the result is a decrease in flexibility, tensile and bending strength. The fatigue life is also shortened after a long time of stress deterioration. In addition, the flame retardant masterbatch itself or reacts with PBT, local degradation occurs, causing the polymer main chain to break, and the mechanical properties can be seen to decline.
    However, with the increasing technology, the preparation of masterbatch has made great progress. If the particle size is fine and evenly dispersed, the damage can be minimized. If the formula is appropriate, it can balance the flame retardant and mechanical requirements, and not only adhere to the flame retardant standards, but also mechanical efficiency. In practice, it is appropriate to review the type and proportion of flame retardants. The amount of high-efficiency flame retardant types is small, and the loss of mechanical properties is controllable; however, the low-efficiency flame retardant needs to be added with high concentration, and the study is greatly reduced. In fact, in this regard, the flame retardant masterbatch has a real impact on the mechanical properties of PBT materials, which is a combination of controllable and uncontrollable, not completely unhindered. The chemical process is exquisite, and the technique of reconciliation is the key.
    All in all, the effect of applying flame retardant masterbatch to PBT on mechanical properties cannot be ignored. However, through scientific material selection and process optimization, the original mechanical characteristics of the material can be maintained as much as possible to achieve a balance between flame retardancy and performance, which is also the integration of technology and science.
    What processing techniques is Flame Retardnt Masterbatch for PBT suitable for?
    Flame barrier masterbatch, specially made for poly (butylene terephthalate) (PBT), has unique properties and is widely used in many processing technologies. Its properties are mild and stable, and it can be fused with PBT resin, giving the substrate excellent flame retardant properties without damaging its original mechanical and thermal properties. This test describes its applicable processing technology in detail.
    One is injection molding. The injection molder melts the masterbatch and resin at high temperature into the mold cavity under high pressure, and waits for it to cool and form. After the flame barrier masterbatch is mixed with PBT, the properties are well integrated, the finished product is dense and beautiful, and the flame retardant efficiency is outstanding. It is widely used in automotive parts, electrical enclosures and other fields.
    The second is extrusion molding. Extruder, the raw materials are heated by the screw, melted and mixed, and the desired shape is continuously extruded. The flame barrier masterbatch can be evenly distributed in the PBT, without precipitation or delamination, especially suitable for the production of cable sheaths, pipes, sheets, plates and other products. The finished product has uniform color and significant flame retardant properties.
    The third is blow molding. For blow molding, the melted PBT masterbatch is injected into the mold cavity and blown at high pressure to make it stick to the mold wall to form a hollow object. This method is often used in the production of bottles, cans and other containers. The flame barrier masterbatch can be evenly distributed in it, so that the finished product has both strength and flame retardancy.
    The fourth is fiber spinning. In modern polymer industry, PBT is often used in chemical fiber raw materials. The PBT melt with flame retardant masterbatch is spun to make the fiber both elastic and flame retardant, and is widely used in carpets, cords and apparel fibers.
    In addition, it can also be used in blending, co-injection and other composite projects to improve the overall safety of the material. Because the flame retardant masterbatch has good thermal stability, moderate melt viscosity and strong compatibility, it can adapt to various processing conditions of PBT, so it is an indispensable part of modern polymer processing.
    In summary, flame retardant masterbatch is suitable for injection molding, extrusion, blow molding, spinning and many other processing technologies. It is widely used in PBT materials, which not only enhances its flame retardant grade, but also has mechanical and thermal advantages. It is a good aid for material modification.
    Does Flame Retardnt Masterbatch for PBT comply with environmental and regulatory requirements?
    Flame barrier masterbatch is used for polybutylene terephthalate (PBT) material, which is actually a commonly used additive in the polymer material industry. Its work is used to inhibit combustion and ensure safety, and is widely used in electronic appliances, automotive parts and other fields. However, in today's society, environmental protection and regulatory compliance have become important criteria for judging new materials. Therefore, the review of flame barrier masterbatch for the environmental protection of PBT and its regulatory requirements should be studied in detail.
    In the theory of environmental protection, the first thing to look at is its composition. The special flame barrier masterbatch for PBT sold in the market today is often based on halogen-free type, and the harmful components such as bromine, antimony and phosphorus are also discarded in the past. Halogen-free flame retardant masterbatch is mostly formulated with nitrogen-based, phosphorus-based or nano-inorganic flame retardants, which produces less toxic smoke during combustion, reduces environmental hazards, and conforms to the concept of green development. And because it does not contain heavy metals, it reduces soil and water pollution. If its process is advanced, the addition ratio is appropriate, which not only meets the flame retardant standard, but also does not show harmful exudation, and has the advantages of recycling and reuse.
    Regarding the regulation, there are corresponding norms at home and abroad. For example, the European Union ROHS Directive expressly prohibits a variety of harmful substances in electronic and electrical products. If the flame retardant contained in the flame retardant masterbatch can pass this verification, it can be circulated in the European market. There are also REACH regulations, which require chemical registration and security evaluation. China also has regulations such as the Regulations on the Administration of Hazardous Chemicals. If the flame barrier masterbatch is tested by an authoritative third party and the harmful limit is not detected to exceed the standard, the cover indicates its compliance. Enterprises should also provide safety data tables (SDS) to clearly indicate the composition, health and environmental impact to meet market supervision and customer requirements.
    As for the practical extension of flame barrier masterbatch, both quality and environmental protection should be given equal importance. If you can choose a green and environmentally friendly formula according to customer needs, taking into account the performance of low smoke, low toxicity and high flame retardancy, it can be said to be beneficial to society and in line with future development.
    In short, today's PBT flame retardant masterbatch is based on halogen-free, low-toxicity, and new flame retardant systems. If the formula is reasonable and the test is qualified, it will meet the requirements of environmental protection and related regulations. However, material innovation is changing with each passing day, and enterprises should still pay attention to regulatory updates at any time and continuously optimize products in order to meet the current situation and win the market.