This product is a red phosphorus flame - retardant masterbatch with PA as the carrier. It is specialized for flame - retarding nylon and enhancing its flame - retardant properties. It features a high phosphorus content. It is processed by coating red phosphorus with ultrafine micro - capsules, causing minimal damage to the base material, with no exudation. The product surface is smooth without spots. It is widely used in red and dark - colored systems, with a stable addition amount and safe processing. It is halogen - free and does not contain polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE).