... ,304,304L,316,316L 3.Mesh:10-1500mesh Description of Filter Discs For PP Plastic Sheet Extruder :Material: SUS202, 302, 304 ... " to 30".ayers: single layer or spot welded multi-layer filter discs.Size: from 10 to 1000 meshes.Features:resistance to ... acid, soda, corrosion, high temperature etc.Appication: widely used in plastic sheets extruders. (Plastic ...