... 3.reserve air dust collector 4.usage: cement, carbon black,ect black color twill and stain woven method woven-fiberglass filter bag cloth ... ): 0.40 Weight(g/m2): 370 Weave Structure: 1/3 Twill Tensile Strength(N/25mm)Warp: 2,100 Tensile Strength(N ... factory, steel plant, metallurgy factory, smelt plant, chemical industry, carbon black, etc. It is widely used in protecting from polluting and ...