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[Chemical Knowledge]：Deciphering the difference between flame retardant MPP and APP, choosing the right flame retardant is more critical

Read： 360 Time：19months ago Source：Transform the World with Simplicity

Flame retardant plays a very important role in industrial production. It can effectively reduce the combustion performance of materials, improve the flame resistance of products, and protect people's lives and property. MPP and APP are two common flame retardants. During use, many people will wonder about them and wonder what is the difference between them. Let's decipher the difference between flame retardant MPP and APP and help you choose the right flame retardant.

1. chemical composition
MPP (polyphosphate) is a halogen-free environmentally friendly flame retardant, with excellent flame retardant effect, but also can effectively delay the burning speed of materials, reduce the amount of smoke. APP (ammonium polyphosphate) is a kind of phosphorus nitrogen flame retardant, which also has good flame retardant performance and smoke suppression effect. The two are different in chemical composition, but both can provide good flame retardant effect for the product.

2. applications
MPP is mainly used for flame retardant polypropylene, polyamide, polystyrene and other thermoplastics, but also can be used in coatings, rubber, coatings and other fields. APP is suitable for flame retardant materials such as polyurethane, epoxy resin, unsaturated polyester resin, and is widely used in building materials, electronic appliances, automobiles and other fields. Therefore, in the selection of flame retardants, according to the characteristics of specific materials and applications to choose.

3. environmental performance
MPP as a halogen-free flame retardant, has good environmental performance, will not produce hydrogen halide and other harmful gases. And APP in the combustion process will not produce toxic gases, the impact on the environment is relatively small. Therefore, both MPP and APP can be used as relatively environmentally friendly flame retardants.

4. price and cost performance
MPP due to its excellent flame retardant effect and environmental protection characteristics, usually the price will be relatively high, but considering its high cost performance, long-term use, can save certain costs for enterprises. The price of APP is relatively low, which will be a more economical choice for some enterprises with limited budget. When choosing flame retardants,

should not only consider the flame retardant effect, but also comprehensively consider the environmental protection performance, application field and cost of the product. Both MPP and APP have their own advantages and application fields, and should be selected according to the specific situation in actual use. At the same time, in order to ensure the correct use of flame retardants, it is recommended that companies choose professional flame retardant manufacturers to cooperate and provide customized products and technical services to better meet the flame retardant needs of products.

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