... :High quality bentonite and concentrated sulfuric acid2)Feature:Sub-white powder,odorless,tasteless,non-toxic,easy to absorb moisture,stacking density ... (H2SO4),%≤0.15Water content before leaving factory,%≤12.0Granularity(over 200 mesh),%≥90Filtration rate, ml/min≥10.0NoteBulk density(g/ml):0 ...