1.90 micron stainless steel filter screen 2.Mesh count:1--600 3.Material:304,304L,316, ... .Aperture:0.022-23.37mm 90 micron stainless steel filter screen 1. Materials: sus304, sus304L, sus310, sus316, sus316L, etc. (8% nickel ... oils, chemicals, food, pharmaceuticals, also sorting and screening of solid, liquid and gas in mine, metallurgy, airspace, machine making, etc.Other ...