White Powder which used as a material of high efficiency detergent and metal cleaner.

CAS No 10213-79-3Molecular Formula Na2SiO3.5H2O Molecular Weight 212.4UN NO. 3253

the details of the goods :

Sodium Oxide (Na2O):	28.00-30.00 %
Silica (SiO2):	27.00-29.00 %
Water Insoluble:	0.2 % Max
Iron (Fe):	200 ppm Max
Whiteness:	80 % Min
Particle Size(18-60mesh):	90 % Min

This product is mainly used in making high efficiency detergent and metal cleaner. Instead of STPP, it can raise cleaning efficiency and reduce environmental pollution, provides excellent alkaline buffer, corrosive prevention for metal (i.e. Zinc, Aluminum),possesses the character of softening water.

Sodium metasilicate Pentahydrate