Sodium Metasilicate – Pentahydrate (5H2O)

      Sodium Metasilicate – Anhydrous

GRADES	Appearance	Molar Ratio	Na2O %	SiO2 %	Moisture
Pentahydrate (5H2O)	White Powder	1:1	29 +/- 1	29 +/- 1	42 % max
Anhydrous	White Powder	1:1	50 +/- 2	50 +/- 2	2% max