... Name:Sodium Silicate 2.molecular formula: Na4SiO4 3.Packing: In 50kgs,jumbo bag or on ... ITEM INDEX 1 23Modulus (M)2.0+-0.12.3-2.53.2-3.4Total soluble solid(Na2O+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,% ≤ 1Use: Sodium ...