1.solid form sodium silicate 2.high quality&best price 3.packing will ... floatation.And also it is the main raw material for producing silica gel,alumino silica gel,zeolite,molecule sifter, ... black and sorbent,etc.Packing:Granules of Sodium Silicate Solid:50kg/bag;blocks of Sodium Silicate Solid:1000kg/bag.Appearance:Colorless ... -2.5Fe ,% <0.02Insolubles In water,% <0.2 Price for Sodium Silicate Solid