... , pipes, pipe fittings, etc.Physicochemical properties:IndexHC-21,HC-51,HC-22,HC-61HC-12,HC-55HC-50AppearanceWhite flowing powderBulk Density (g/cm3)0 ... the degree of performance index. Application Character ItemHC-12HC-21, HC-22HC-51HC-50HC-61HC-55CharacterFor transparent productsFor opaque productsUse(Outdoor ...