Product Description:
Sodium Hexametaphosphate (SHMP)
|
Specifications
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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
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5.8-7.3
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5.8-6.5
|
|
Solubility
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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.