... layer,double layer,three layers,four layers and so on.3---Detailed specifications:(1) Mesh Sizes: 1mesh - 635mesh;(2)Wire ... diameter: 0.0203mm-2.03mm;(3)Aperture:0.0203-23.37mm;(4)Width: 0.6m-1.5m;(5)Length:30meters;4---Characteristics: Plain ... acid-resisting, alkali-resisting, heat-resisting and wear-resisting etc.5--- Uses: petroleum, oil refining, chemicals, light industry, medicine metallurgy, ...