4 flame retardant principles of halogen-free flame retardants

halogen-free flame retardants produce little smoke when burned and do not produce toxic or corrosive gases. halogen-free flame retardant additives are mainly based on phosphorus compounds and metal hydroxides. these two types of compounds are non-volatile and do not produce corrosive gases when burned, and are called pollution-free flame retardants. below, kain chemical will introduce…