Sodium Meta Silicate : Chemical Formula Na2SiO3 Packing : 50 Kgs HDPE laminated bags with thick inner liner. Physical Property : A crystalline silicate pH of 1% solution 12.6. non-toxic, non-combustible. Chemical Property : Ductless white granules. m.p.1089oc. total Na2O content 51.5% total Na2O in active form 48.6%. density 2.61 g/cc or 75 ib/cu ft. Soluble in water precipitated by acids & by alkaline earth & heavy metal ions. Uses : Laundry, diary and metal cleaning, floor cleaning base for detergent formulations bleaching aid, deinking paper.