White powder; Density 2.484(20℃); Soluble in water but insoluble in organic solvent; SHMP has got strong hygroscopicity and can absorb humidity from the air to become into pasty form; Sodium Hexametaphosphate may form soluble chelates with ions of Ca, Ba, Mg, Cu, Fe etc. and is a good Water Treatment chemical.
SHMP 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; In food industry SHMP used as an additive, nourishing agent, quality improver, pH regulator, metal ions chelating agent, adhesive and leavening agent etc.
Specification
ITEM |
STANDARD |
APPEARANCE |
WHITE POWDER OR WHITE GRANULES |
TOTAL PHOSPHATE (As P2O5) |
68.0% MIN |
INACTIVE PHOSPHATE(As P2O5) |
7.5% MAX |
WATER INSOLUBLE MATTER |
0.02% MAX |
PH VALUE |
5.8-6.5 |
IRON as Fe |
200PPM MAX |
THROUGH MESH 60 |
90% MIN |
ARSENIC( As) |
3PPM MAX |
TOTAL HEAVY METALS( Pb) |
10PPM MAX |
FLUORID |
30PPM MAX |
LEAD |
4PPM MAX |