... (F)--------0.003% maxWater insoluble0.05%max0.06% maxApplication:For industrial use, such as oil field, paper-making, textile, ... high temperature agglomerant, detergent and soil analytical chemistry reagent. For food grade, additive agent,PH adjusting agent and fermentation agent ... .Furthermore,is should be stored separately from poisonous. HOT SALE! --Sodium Hexametaphosphate 68% for water treatment