Composite Flame Retardant for Epoxy Resin

Composite Flame Retardant for Epoxy Resin

Epoxy resin is used in a variety of cutting-edge applications, from 5G phone circuits to composites for electric vehicles. To meet the fire protection requirements of their respective fields of application, flame retardants must be added to the epoxy resin system.

Alfa Chemistry offers composite flame retardant for epoxy resin, which has proven to work well in areas such as electronic encapsulants, adhesive coatings, and more, as an alternative to current halogen-based flame retardant systems.


AppearanceWhite Powder
Phosphorus (P) Content≥ 20%
Nitrogen (N) Content≥ 14%
Moisture Content≤ 0.5%
Relative Density1.8 g/cm3
Bulk Density0.8 g/cm3
pH6.0-9 (10% suspension emulsion at 25 ℃)
Particle Size6-20 μm D50

Usage and Dosage


  • Add 15%-25% of this product for silicone rubber to reach UL 94 V-0 rating.
  • The product is susceptible to moisture and should be placed in a cool, dry place.
  • If the packages are found to be broken or damp, dry at 100 ℃±10 ℃ for 2 hours before use.

Choose Alfa Chemistry

Alfa Chemistry is one of the leading suppliers of flame retardants worldwide, specializing in the development, production and sales of innovative and highly effective flame-retardant products. Our team consists of technical experts with specialized knowledge and research capabilities, capable of providing you with professional flame-retardant products and solutions. If you have any requirements, please do not hesitate to contact us.

※ Please kindly note that our products and services are for research use only.