... It is widely used in the industries of petroleum, chemical, metallurgy, cement, environmental dedusting and mine. 2.The fabric has been brushed, ... so it is more flexible and thicker, the dedusting efficiency can reach 99.99%.TypeMax flux-waterFiltering ... 5102356DZL-05180.23.8102508DZL-0660.091.489305DZL-07120.152.489508 high quality strong acid and alkali resistant filter bag