Also named wire mesh circle,filter disc. Material : stainless steel wire mesh, brass wire mesh, plain steel wire mesh galvanized wire mesh etc.Diameter of discs: from 1" to 30". single-layer and multi-layer ones are both available. Regarding multi-layer mesh discs, the number and arrangement of welding spots can be produced according to your specific requirements. We can produce multi-layer mesh discs with welds. Multilayer Extruder Screen is use in very fine and thin extrusion process for high quality Petrochemical, Plastic, Rubber, Chemical, Aeronautic industries and water treatment plant, food processing industries.