... green crystals, transparent or semi-transparent . Sodium Silicate is made from sodium oxide and silicon dioxide, the molar ratio ... water treatment; It is the fundamental material of the chemical products such as silica gel, white carbon black, ... industry of binder, foundry,mineral floating select.,acid-resisting material,constructional material. Solid Sodium silicate: 50kg/bag , 1000kg/bag, 1250kg ...