Polymer Leaf Disc Filter The polymer leaf disc filters is made of sintered metal wire mesh laminates or sintered metal non-woven fiber felt medium. Stainless Steel Mesh Pharmaceutical Filter Disc Product Image:   Material & Micron rate & Construction Standard material is stainless steel 316L, the other alloys can be required. The micron rate is from 60microns up to 5microns absolute. Standard hub are hard, soft, and semi-hard, our advanced construction/welding methods, result in excellent corrosion resistance. Sany polymer leaf disc filter feature High viscosity and large flow Good cleaning performance Long service life Sany polymer leaf disc filter application   Mainly used for biaxially oriented film(BOPET,BOPP,BOPA,BOPI) and battery separate film production.