Lubricants: fatty alcohols, fatty acid, paraffin.Chemical dẽo improve the plasticity, plasticity for chemical products. E.g.: what kind of acid ester (terephtalic) or of rựu (Adipic..), the perfume oil and paraffin cloro and fatty ester.Stabilizer: include the type of heat stabilizer, ultraviolet, the aging substance ... avoid destruction especially during technology.
đang được dịch, vui lòng đợi..
