... ,304L,316,316L 3.Mesh:10-1500mesh Description of Filter Discs For PP Plastic Sheet Extruder :Material: SUS202, 302, 304, 304L ... spot welded multi-layer filter discs.Size: from 10 to 1000 meshes.Features: It is made of non-woven metallic filter, with its ... ,PET,PE,PVC etc) stainless steel filter screen pack for non-woven fabrics