Sodium Hexametaphosphate

We are offering Sodium Hexametaphosphate, Inorganic Chemicals etc.
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.
specifications of sodium hexametaphosphate:
specifications industrial 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 value (1% solution) 5.8-7.3 5.8-6.5
solubility qualified qualified
heavy metals, 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.