... competitive price 3. best after-sales service 4. high-integrity Sodium hexametaphosphate[Molecular formula]: (NaPO3)6 [Molecular weight]: 611.82 ... Usage of SHMP 68% tech grade: It is used in industries of oil fields, paper production, textile, dyeing, petroleum, chemistry, metallurgy ... and high temperature agglomerant. Usage of SHMP 68% food grade: It mainly used as additive agent, pH adjusting agent, ...