... .purity:68% 2.Sodium Hexametaphosphate(shmp) in food or industrial grade 3.MSDS certiicate and OEM accepted Sodium Hexametaphosphate(shmp),Standard/indexTop ... %0.03maxPH of 1% solution%6.5max. 1.used in industries of oil fields, paper production, textile, dyeing, petroleum ... , flotation selecting agent, disperser and high temperature adhesive,2.in food indusrty it used as an additive, nourishing agent, ...