... -77.5Fe2O3 %≤0.014Al2O3 %≤0.17MgO%≤0.03Insoluble material in water%≤0.1Modulus (SiO2/Na2O)3.1-3.5USAGE: In light ... which as well as it is a product to intenerate water and help subsiding. In weave industry, the product is applied ... , the product is applied to manufacture speediness dry cement, acid-resistent cement,waterproof oil, soil curing agent, fire-resistent material,etc.. In agriculture ...