... Magnesium hydroxide is widely used in PE, PP, PVC, ABS, PS, HIPS, PA, PBT, unsaturated polyester, epoxy resins, rubber, paint, flame retardant ... , rubber and other polymer materials and the excellent flame retardant filler, in environmental protection as a flue gas desulfurization ... insulation materials as well as the manufacture of other magnesium products. Origin Magnesium Hydroxide 98.5% high purity