waterproof mesh: 1.Gram:45g~500g/sqm 2.mesh:4*4mm ~ ... .Main characteristics:1.Good chemical stability: Alkali-resistant, acid-resistant, waterproof,, cement erosion-resistant, and other chemicals' corrosion resistant; and strong ... .Used for Granite, mosaic, marble back mesh etc.4.Fabric waterproof membrane, asphalt roofing.5.Framework material for einforced plastics, rubber ...