Material s:warious stainless steel square mesh , fine wire cloth , black wire cloth galvanized mesh , copper mesh and perforated metal . Manufacturing characteristics : Perforated by means of moulds of such shapes as round ,square , rectangle,obal , hat and son . the perforating holes are of precise therefore having bery fine filtration . Uses: wideyl used in thr fiber industry as nozzle, and filters in such industries as rubber , pharmacy , brewery , beverage and so on .