... oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry;b) it is mainly used ... slow corrodent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemistry reagent. For food ... a well ventilated, dry place. best price and high purity Sodium Hexametaphosphate(SHMP) 68% as water ...