... 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, % ... Sodium Silicate is the indispensable raw material of washing powder ,detergent and soap. Settling agent and water softener ... material of the chemical products such as silica gel, white carbon black,zeolite molecular sieve. It can ...