... Discs for Double-screw Extruder:Material: SUS202, 302, 304, 304L, 316, 316L, iron wire mesh, stainless steel wire mesh, galvanized wire mesh etc.Shape ... :ovalSpecification: wire dia from 1" to 30".Size ... , soda, corrosion, high temperature etc.Appication: Specially used in Double-screw Extruder.