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MPP Melamine Polyphosphate Flame Retardant is suitable for all kinds of injection and extrusion process.
MPP Melamine Polyphosphate Flame Retardant good heat stability, decomposition temperature=330°C.
MPP Melamine Polyphosphate Flame Retardant is mainly used in polyamide and PBT, especially PA6, PA66, glass fiber-reinforced PA6, PA66.
CAS Number: 20208-95-1
Molecular Formula: C3H9N6O4P
Molecular Weight: 224.12
EINECS Number: 243-601-5
Synonyms: 1,3,5-triazine-2,4,6-triamine polyphosphate;1,3,5-Triazine-2,4,6-triamine·phosphoric acid;Melamine phosphoric acid;Phosphoric acid·melamine;INTUMESCENT COMPOUND KE 8000;SLFR-7;1,3,5-triazine-2,4,6-triamine monophosphate;1,3,5-Triazine-2,4,6-triamine, phosphate (1:1)
MPP Melamine Polyphosphate Flame Retardant can be used in all kind of injection and extrusion process as well as meet all kind of processing demands of polyamide, glass fiber polyamide.
MPP Melamine Polyphosphate Flame Retardant, is a nitrogen-phosphorus-based flame retardant composed of a polymeric structure formed from melamine and polyphosphoric acid, in which the melamine units are covalently bonded to phosphate groups, creating a stable, high-melting, thermally resistant compound that is both water-insoluble and environmentally more benign compared to halogenated flame retardants, and it is widely used in plastics, textiles, coatings, and other polymeric materials to enhance fire resistance by promoting char formation and inhibiting flame propagation during thermal decomposition.
MPP Melamine Polyphosphate Flame Retardant acts primarily through a condensed-phase mechanism, meaning that when exposed to heat or flame, it decomposes endothermically to release non-combustible gases such as nitrogen and ammonia, which dilute flammable volatiles, while simultaneously promoting the formation of a protective char layer on the material surface, which acts as a thermal barrier, reducing heat transfer and slowing down further decomposition and ignition.
MPP Melamine Polyphosphate Flame Retardant is especially used in thermoplastics such as polyesters, polyamides, and epoxy resins, as well as in thermosetting materials, where it can be incorporated during compounding or coating processes to impart flame-retardant properties without significantly altering the mechanical properties, color, or processability of the base material, making it highly compatible with a variety of industrial formulations.
MPP Melamine Polyphosphate Flame Retardant is a halogen-free flame retardant.
It is recommended for polyamide, especially PA6, PA66, and glass fiber-reinforced PA6, PA66 and PBT.
MPP Melamine Polyphosphate Flame Retardant acts as a flame retardant. ,
MPP Melamine Polyphosphate Flame Retardant is halogen-free nitrogen-phosphorus intumescent flame retardant, suitable for processing substrates with high temperature requirements.
Its nitrogen is from melamine (triazine-based).
MPP Melamine Polyphosphate Flame Retardant is suitable for fireproof coating, PBT, PET, epoxy resins, polyamide, etc.
MPP Melamine Polyphosphate Flame Retardant is especially suitable for flame retardant glass fibre reinforced PA66.
MPP Melamine Polyphosphate Flame Retardant is a kind of flame retardant containing N and P, with excellent high-temperature processing performance.
During endothermic decomposition, a foam like coke layer is formed, which is covered on the surface of the combustor to isolate the air.
Vaporized melamine provides an inert gas source, which can dilute oxygen and the concentration of combustible gas generated by the decomposition of high polymers, so as to achieve the purpose of flame retardance.
MPP Melamine Polyphosphate Flame Retardant is used extensively in plastics for electrical housings, automotive components, construction panels, laminates, and textiles, as well as in coatings, adhesives, and foams, where it improves fire retardancy, reduces smoke generation, maintains structural integrity during fire exposure, and minimizes the release of toxic gases, making materials safer for both consumer use and industrial applications.
MPP Melamine Polyphosphate Flame Retardant’s compatibility with other synergistic flame retardants such as melamine cyanurate, ammonium polyphosphate, or metal hydroxides allows formulation of highly efficient, halogen-free fire-retardant systems that can meet stringent fire safety standards (UL94 V-0, LOI ≥ 30%) without adversely affecting the processing or aesthetics of the final product, making it a versatile and widely adopted additive in modern fire-safe materials.
Because it is a powdered material, careful handling is necessary during manufacturing or compounding, as inhalation of dust may irritate the respiratory tract, and prolonged skin or eye contact can cause mild irritation, although MPP is generally considered safer than many traditional halogenated flame retardants, and its low solubility reduces the risk of systemic toxicity, while proper storage, dust control, and personal protective equipment are recommended to maintain occupational safety.
Melting point: 120-122°
solubility: DMSO (Slightly), Methanol (Slightly)
form: Solid
color: White to Off-White
MPP Melamine Polyphosphate Flame Retardant, needs to absorb heat from the polymer to reduce the surface temperature of the substrate. Decomposition temperature of Melamine salts is high.
MPP Melamine Polyphosphate Flame Retardant release inert gases, these non-flammable gases can dilute oxygen, reducing the concentration of combustible gases.
Phosphorus promote char-forming, Nitogen release inert gases which will promote the foaming and expansion of the carbonised char layer, so it can prevent the convection of heat and outside oxygen.
MPP Melamine Polyphosphate Flame Retardant is utilized in textile treatments, coatings, laminates, and electrical or electronic components, where it helps reduce flammability, prevent smoke generation, and maintain material integrity under fire exposure, thereby enhancing safety in consumer goods, construction materials, automotive parts, and electrical housings.
Because it is a solid, powdery material, MPP Melamine Polyphosphate Flame Retardant is stable under normal conditions, does not release halogens or highly toxic gases, and is considered less hazardous than many traditional flame retardants, but it must be handled with care to prevent dust inhalation or direct contact, particularly during industrial-scale processing, as excessive exposure to fine particles may cause respiratory irritation or mild skin and eye irritation.
MPP Melamine Polyphosphate Flame Retardant, is an advanced, nitrogen- and phosphorus-containing flame retardant composed of polymeric melamine units linked to polyphosphate chains, forming a crystalline, high-melting solid that is thermally stable, non-volatile, and largely insoluble in water, which makes it suitable for incorporation into a wide variety of polymer matrices and composite materials where enhanced fire resistance is required, and it is often favored over halogenated flame retardants due to its halogen-free, environmentally friendlier profile and low smoke generation during combustion.
From a mechanistic standpoint, MPP Melamine Polyphosphate Flame Retardant acts primarily in the condensed phase: when the material containing MPP is exposed to high temperatures or flame, the compound decomposes endothermically, releasing non-flammable gases such as ammonia and nitrogen that dilute flammable volatiles, while simultaneously promoting the formation of a cohesive, protective char layer on the polymer surface, which serves as a thermal barrier to slow down heat transfer, reduce further pyrolysis, and prevent flame propagation, thereby improving overall fire resistance.
MPP Melamine Polyphosphate Flame Retardant is thermally stable up to temperatures of approximately 300–350°C, has low hygroscopicity, and exists as a fine powder or granule, which allows it to be easily dispersed in thermoplastics such as polyethylene, polypropylene, polyamides, polyesters, and epoxy resins, as well as in thermosetting systems, providing flame-retardant properties without significantly compromising mechanical strength, flexibility, color, or processing characteristics of the host material.
Uses:
Environmental protection type non-halogen flame retardant.
MPP Melamine Polyphosphate Flame Retardant flame retardant is mainly used in PA and PBT, especially PA6, and PA66.
It can be used in all kinds of injection and extrusion processes and meet all kind of processing demands of polyamide, and glass fiber polyamide.
MPP Melamine Polyphosphate Flame Retardant is primarily used as a halogen-free flame retardant in a wide range of polymeric and composite materials, including thermoplastics such as polyethylene, polypropylene, polyamides, and polyesters, as well as thermosetting resins like epoxy and unsaturated polyester, where it functions to significantly improve fire resistance by promoting char formation, reducing flammable gas evolution, and slowing the propagation of flames, all while maintaining the mechanical integrity, flexibility, and aesthetic qualities of the material.
In electrical and electronic applications, MPP Melamine Polyphosphate Flame Retardant is employed in the manufacture of housings, circuit boards, connectors, insulation materials, and other components to prevent ignition or flame spread in case of short circuits or thermal overloads, thereby enhancing safety and compliance with fire protection standards such as UL94 and IEC 60695, while maintaining dimensional stability and performance under normal operating conditions.
In the automotive industry, MPP Melamine Polyphosphate Flame Retardant is used in interior components, dashboards, seat fabrics, coatings, and under-the-hood plastic parts, where it helps reduce flammability, control smoke generation, prevent the emission of toxic gases during combustion, and ensure that vehicle materials meet strict fire safety regulations without compromising appearance, strength, or manufacturability.
In construction and building materials, MPP Melamine Polyphosphate Flame Retardant is incorporated into laminates, insulation foams, coatings, adhesives, and polymer composites to enhance fire resistance in wall panels, ceilings, flooring, and decorative elements, reduce flame propagation, provide a protective char layer during thermal exposure, and meet national or international fire safety codes while preserving structural stability and durability of the materials.
Additionally, MPP Melamine Polyphosphate Flame Retardant is sometimes combined with synergistic flame retardants such as melamine cyanurate, ammonium polyphosphate, or aluminum hydroxide to create highly efficient, halogen-free, smoke-suppressing systems that are effective in plastics, textiles, foams, coatings, and adhesives, enabling manufacturers to meet rigorous fire safety and environmental standards while producing materials that are safe, functional, and aesthetically suitable for consumer, industrial, and commercial applications.
MPP Melamine Polyphosphate Flame Retardant is used in plastics, resins, textiles, automotive parts, electrical components, construction materials, coatings, foams, and adhesives because it improves fire resistance, promotes char formation, reduces smoke and toxic gas emissions, slows flame propagation, and maintains the mechanical and aesthetic integrity of materials, making it a versatile, halogen-free flame retardant for diverse industrial and consumer applications.
MPP Melamine Polyphosphate Flame Retardant is extensively used in thermoplastic polymers such as polypropylene, polyethylene, polyamides, and polyesters, as well as thermosetting resins including epoxy and unsaturated polyester, because it provides effective halogen-free flame retardancy by promoting char formation, releasing inert nitrogen-based gases that dilute combustible volatiles, and forming a thermal barrier that slows heat transfer, all while preserving the mechanical strength, flexibility, and aesthetic qualities of the polymer, which makes it particularly suitable for high-performance industrial and consumer products that must comply with strict fire safety standards.
In electrical and electronic components, MPP Melamine Polyphosphate Flame Retardant is commonly incorporated into insulation materials, housings, circuit boards, connectors, switchgear, and other polymeric parts to prevent ignition, limit flame spread, and reduce smoke generation in the event of electrical faults or overheating, ensuring compliance with international fire safety standards such as UL94 V-0, IEC 60695, and EN 13501, while maintaining dimensional stability, mechanical performance, and long-term reliability of the components in everyday or industrial use.
In the automotive sector, MPP Melamine Polyphosphate Flame Retardant is applied in interior parts, dashboards, seat fabrics, coatings, cable insulation, and under-the-hood plastic components, where it improves fire safety by slowing flame propagation, reducing the release of toxic gases, enhancing char formation on heated surfaces, and meeting rigorous automotive fire safety regulations, all without compromising the visual appearance, tactile properties, or structural performance of the vehicle materials.
MPP Melamine Polyphosphate Flame Retardant is integrated into laminates, polymer-based insulation foams, floor coverings, adhesives, sealants, coatings, and composite panels to enhance fire resistance, provide a protective char barrier in case of fire, reduce smoke and toxic gas emissions, prevent flame propagation along walls or ceilings, and ensure that the finished construction elements comply with building codes and fire safety regulations, while maintaining mechanical integrity, durability, and aesthetic quality over the product’s lifetime.
Safety Profile:
Although MPP Melamine Polyphosphate Flame Retardant is generally considered less hazardous than many halogenated flame retardants and is recognized for its halogen-free and relatively low-toxicity profile, it can still present certain risks during manufacturing, compounding, or handling of the powdered or concentrated material, particularly in industrial or laboratory settings where dust exposure is possible, so appropriate precautions are necessary.
Inhalation of MPP Melamine Polyphosphate Flame Retardant dust can irritate the respiratory tract, nose, throat, and lungs, potentially causing coughing, sneezing, or mild discomfort, especially if exposure is prolonged or repeated without proper ventilation or respiratory protection, though systemic toxicity is generally low due to the low solubility and chemical stability of the compound.
Skin contact with MPP Melamine Polyphosphate Flame Retardant powder may lead to mild irritation, dryness, or redness, particularly in sensitive individuals or upon repeated exposure, while eye contact with dust can cause transient irritation, tearing, or redness, necessitating immediate rinsing with water and, if needed, medical attention to prevent further discomfort.
MPP Melamine Polyphosphate Flame Retardant is chemically stable under normal conditions, but exposure to extremely high temperatures, strong oxidizing agents, or acidic environments may lead to partial decomposition, which could reduce its flame-retardant effectiveness and, in rare cases, release irritant decomposition products, so storage in cool, dry, and well-ventilated areas, away from incompatible chemicals, is recommended.
