... Hexametaphosphate, SHMP,(NaPO3)6 oil field, paper making, textile, printing dyeing, petrochemical, leather & building Formula: (NaPO3)6MW ... chemicals, corrosion inhibitor, flotation agent, dispersant, textile dyeing auxiliaries, rust inhibitor, etc.Package: 25kg in plastic ... the industries including oil field, paper making, textile, printing dyeing, petrochemical, leather and building material etc. ...