... enzyme carrier. Plastics, packing industry: optical glass senior abrasive, plastic brightener, rubber packing, hard plastic packing, toothpaste ... Cement (with pumice as raw materials). Abrasive industry: glass and glasses abrasive, soft metal and plastic brightener, tube ... metal surface, stone. Packing: metal cutlery abrasive cleaner. Circuit board cleaning abrasive. Soap, clothing washing to go up with ...