Sodium Hexametaphosphate(SHMP)

Chemical formula: (NaPO3)6
Molecular weight: 611.77
Standard executed: HG/T2837-1997;GB1890-89
Properties: White powder; Density 2.484(20ÿãC); soluble in water but insoluble in organic solvent; It has got strong hygroscopicity and can absorb humidity from the air to become into pasty form; It may form soluble chelates with ions of Ca, Ba, Mg, Cu, Fe etc. and is a good water treatment chemical.

Technical Data:
Indexes
Technical Grade
Food Grade

Total phosphates (as P2 O 5 )% ÿ?
68
68

Inactive Phosphates (as P2 O 5 )% ÿ?
7.5
7.5

Iron (Fe) % ÿ?
0.05
0.05

PH Value
5.8-6.5
5.8-6.5

Solubility
pass
pass

Heavy Metals (as Pb) % ÿ?

0.001

Arsenic (As)% ÿ?

0.0003

Fluoride (as F) % ÿ?

0.003

Water Insoluble matter % ÿ?
0.05
0.06

Polymerization
9-21
9-21

Fineness (mesh)
60~80
60~80


Application: Used in industries of oil fields, paper-making, textile, dyeing, petroleum, chemistry, metallurgy and construction materials etc. as water softener, flotation selecting agent, disperser and high temperature adhesive; In food industry it used as an additive, nourishing agent, quality improver, pH regulator, metal ions chelating agent, adhesive and leavening agent etc.

Package: In double layer bags of 25 Kg or 50 Kg or 1000 Kg net. It must be stored in places well ventilated and dry.