... export Russia , Anerica , Asia 3.Flame retardants in PVC,PF,PU Chemical Flame Retardant-Tris (2-chloroethyl) phosphate (TCEP) TCEP Flame ... ( TCEP) have been widely used as flame retardants in PVC, polyurethane soft, hard foam, cellulose acetate, nitro cellulose lacquer. Ethyl-cellulose ...