Specification :

Sodium Hexametaphosphate Industrial Grade
( 1) Total phosphate, as P2O5: 68.0% min.
( 2) Inactive phosphate, as P2O5: 7.5% max.
( 3) PH of 1% water solution: 5.8-7.3
( 4) Solubility: Qualified
( 5) Water insoluble: 0.05% max.
( 6) Iron, as Fe: 0.05% max.
Usage: Used in industries of oil fields, paper production, textile, dyeing, petroleum, chemistry, metallurgy and construction materials etc. As a water softening agent in solution for printing, floating agent, dispersing medium and high temperature agglomerant.
Sodium Hexametaphosphate Food Grade
( 1) Total phosphate, as P2O5: 68.0% min.
( 2) Inactive phosphate, as P2O5: 7.5% max.
( 3) PH of 1% water solution: 5.8-6.5
( 4) Solubility: Qualified
( 5) Water insoluble: 0.0 6% max.
( 6) Arsenic, as As: 0.0003% max.
( 7) Fluoride, as F: 0.003% max.
( 8) Heavy metal, as Pb: 0.001% max.
( 9) Iron, as Fe: 0.05% max.
Usage: Mainly used as additive agent, PH adjusting agent, fermenting agent, and nourishment, etc.