Fiberglass mesh cloth: 1.Mesh:4*4, 5*5, 4*5, ... -proof Fiberglass Mesh 1.characteristics:alkali resistance,flexibility,not easy contraction deformation,impact resistance is better,fire prevention,thermal insulation,sound insulation.2 ... /m2,140g/m2,145g/m2,160g/m2,etc Alkali-proof Fiberglass Mesh