... of Filter Discs For PP Plastic Sheet Extruder :Material: SUS202, 302, 304, 304L, 316, 316L, iron wire mesh, stainless steel wire mesh, galvanized wire mesh etc.Shape ... :resistance to acid, soda, corrosion, high temperature etc.Appication: widely used in plastic sheets extruders. (Plastic Sheets: PP,PS,PET,PE ...