Product Description：

Sodium Hexametaphosphate (SHMP)

Specifications< XML:NAMESPACE PREFIX = O />	Technical Grade	Food Grade
Total phosphate, as P2O5	68.0% min.	68.0% min.
Inactive phosphate, as P2O5	7.5% max.	7.5% max.
Iron, as Fe	0.05% max.	0.05% max.
pH of 1% water solution	5.8-7.3	5.8-6.5
Solubility	Qualified	Qualified
Heavy metal, as Pb	-	0.001% max.
Arsenic, as As	-	0.0003% max.
Fluoride, as F	-	0.003% max.
Water insoluble	0.05% max.	0.06% max.

Usage:For industrial use, such as oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry, it is mainly used as a water softening agent in solution for printing, dyeing, and boiler; Diffusant in papermaking; slow corrodent, floating agent, dispersing medium, high temperature agglomerant , detergent and soil analytical chemistry reagent. For food grade, it is mainly used as additive agent, PH adjusting agent and fermentation agent, and nourishment