... brushes: PA, PBT, PE, PP, PVC, steel wire, copper wire, arenga engleri, horsehair and various animal hair and vegetable ... alloy, nylon sheet, pp board, pvc board, wood and so on.Brush hair materials: Copper wire, steel wire, nylon wire, silicon carbide ... abrasive wire, pig bristles, horsehair, wool, sisal, arenga ...