... wool and animal hair the maximum diameter is.Applications: Dustproofing, sealing, retaining, cleaning, polishing etc.Strip brush body materials: Stainless ... nylon sheet, pp board, pvc board, wood and so on.Brush hair materials: Copper wire, steel wire, nylon wire, silicon carbide ... shape and h shape. The length and thickness of brush hair are optional.Note: We can provide products of different ...