... (1) Total phosphate, as P2O5: 68.0% min. (2) Inactive phosphate, as P2O5: 7.5% max. (3) PH of 1% water solution ... and high temperature agglomerant.Sodium Hexametaphosphate Food Grade (1) Total phosphate, as P2O5: 68.0% min. (2) Inactive phosphate, as P2O5: 7.5% max ... , as Fe: 0.05% max.Usage: Mainly used as additive agent,PH adjusting agent, fermenting agent,and nourishment, etc.Packing: 25kg PP ...