1: sliding door brush bottom brushes 2: brush material: PP nylon use for industry door 3: payment term: T/T ... so onMaterials for brushes: PA, PBT, PE, PP, PVC, steel wire, copper wire, arenga engleri, horsehair and ... materials: For PA, PBT, PE, PP and PVC the maximum diameter is 1.2mm; for copper and ... sheet, aluminum alloy, nylon sheet, pp board, pvc board, wood and so on.Brush hair materials: Copper ...