Filter Screen Wire Mesh 1.Filter screen is approved by ISO9001:2000 2. ... Filter Discs For PP Plastic Sheet Extruder :Material: SUS202, 302, 304, 304L, 316, 316L, iron wire mesh, stainless steel wire mesh, galvanized wire ... weave.Specification: wire dia from 1" to 30".ayers: single layer or spot welded multi-layer filter discs.Size: from ... Sheets: PP,PS,PET,PE,PVC etc) Spotwelding Filter Wire Mesh Disc