... 0.05Insolubles in water,% ≤ 1Use: Sodium Silicate is the indispensable raw material of washing powder ,detergent and soap. Settling agent and water ... softener for water treatment; It is the fundamental material of the chemical products such as silica gel, white carbon ... molecular sieve. It can also be used in the industry of binder, foundry,mineral floating select.,acid-resisting material ...