... weight: 611.82 Standard: GB1624-79 Appearance: white powder Sodium Hexametaphosphate Industrial Grade (1) Total phosphate, as P2O5: 68 ... printing, floating agent, dispersing medium and high temperature agglomerant.Sodium Hexametaphosphate Food Grade (1) Total phosphate, as P2O5: ... as Fe: 0.05% max.Usage: Mainly used as additive agent,PH adjusting agent, fermenting agent,and nourishment, etc.Packing ...