... , isolation agent. (3) Dope level (TL): Constitution for white pigments and various water-based, oil-based, resin industrial ... , wood Asphalt control agents. (5)Plastics level (SL): for polypropylene, nylon, PVC, polyethylene, polystyrene plastic and polyester, and ... , such as waterproof ointment. (10)Fine talcum powder: For advanced paint coatings, plastics, rubber cables, cosmetics, copper paper ...