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Description: Basic information: 1) Chemical formula: (NaPO3)6 2) Molecular weight:611.82Tech. Grade: 1) Total phosphate (as P2O5):68% min. 2) Inactive phosphate (as P2O5):7.5% max. 3) Solubility: Pass 4) Insoluble matter in water:0.05% max. 5) Iron (Fe):0.05% max. 6) pH value:5.8 - 7.0 7) Heavy metals (as Pb):0.001% max.Application: Used in industries of oil fields, paper production, textile, dyeing, petroleum, chemistry, metallurgy and construction materials etc. As water softener, flotation selecting agent, disperser and high temperature adhesive.Inner packing: 25/50kg PP bagOuter packing: Craft paper bagFood grade: 1) Total phosphate (as P2O5):68% min. 2) Inactive phosphate (as P2O5):7.5% max. 3) Solubility: Pass 4) Insoluble matter in water:0.05% max. 5) Iron (Fe):0.05% max. 6) pH value:5.8 - 7.0........... Sodium Hexameta Phosphate (SHMP)