Usage:
1). Industrial grade: used in such industries as oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry, and used as a water softening agent in solution for printing, dyeing, and boiler, as diffusing in papermaking; retarding agent, floating agent, dispersing medium, high temperature agglomerate, detergent and soil analytical chemical reagent;
2). Food grade: mainly used as additive agent, PH adjusting agent, fermenting agent, and nourishment, etc
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