... wa Active Magnesium hydroxide is widely used in PE, PP, PVC, ABS, PS, HIPS, PA, PBT, unsaturated polyester, epoxy resins, rubber, paint, flame retardant ... plastic, rubber and other polymer materials and the excellent flame retardant filler, in environmental protection as a flue gas desulfurization agent ... ; for insulation materials as well as the manufacture of other magnesium products.