A fine, white powder, powdery instant sodium silicate has the same ratio as liquid silicates. When dissolved, it forms a hazy, colorless colloidal solution.
Powdery instant sodium silicate is used for:
Adhesives and Binders
Agriculture
Cements and Construction Materials
Detergent
Drilling
Geotechnical & Mineral Processing
Manufacture of Other Chemicals
Pulp and Paper
Textile
Water Treatment.
Spec Index Name FS-I         FS-II      FS-III       FS-IV

Modulus           2.00-2.20 2.30-2.50 2.80-3.00 3.10-3.30

 SiO2               49%-53% 52%-56% 57%-61% 59%-63%

 Na2O              24%-27% 22%-25% 20%-23% 18%-21%