... would be different if the modulus changes.Specification ITEM INDEX 1 23Modulus (M)2.0+-0.12.3-2.53.2 ... +SiO2),%≥ 98Sodium oxide (Na2O), % :33 (+-1.0 )29+-1.023+-1.0Silica oxide (SiO2), % :66 (+-1.0 )69+-1.076+-1.0Fe, % ≤ 0.05Insolubles in water ... pp/pe , 25mt/20FCL;Liquid Sodium silicate: : 295kg/iron barrel , 23.6mt/20FCLKeep in a tightly closed container, Store in dry ...