Environmentally friendly V2 class polypropylene flame retardant
FR602 is a new type of low halogen environmental protection flame retardant, suitable for copolymer propylene PP-V2 flame retardant, the effective substance is containing reaction type N, Br, P composite flame retardant. The amount of addition is low, and it can almost meet the halogen-free requirements in the modified PP products (2000ppm or less according to IEC 61249-2-21), and is widely used in the extrusion and injection molding of PP products.