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| Brand: | - |
| Origin: | - |
| Category: | Chemicals / Inorganic Chemical Materials / Inorganic Salt |
| Label: | Sodium Tripolyphosph , Tripoly Phosphate , STPP |
| Price: |
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| Min. Order: | - |
| Last Online:23 Nov, 2015 |
Sodium Tripolyphosphate 94.0% STPP Industrial Grade
Commodity Name : Sodium Tripolyphosphate (Industrial Grade)
Structural formula: Na5P3O10
CAS No. : 7758-29-4
Characteristics
White powder or granule; Melting point 622 °C ; Easily soluble in water; It has remarkable chelating capacity to metal ions of Ca2+ and Mg2+ etc. and can soften hard water to change suspension into solution, alkalinity, without causticity . It is a surfactant, and has outstanding emulsification to lubricants and fat.
Specifications
|
Item |
Specification Index |
|
Na5P3O10 , % |
Min 94.0 |
|
P2O5 , % |
Min 57.0 |
|
Water Insoluble , % |
Max 0.15 |
|
PH Value (1% aqueous solution) |
9.2~10.03 |
|
Whiteness |
Min 85 |
|
Iron as Fe , % |
Max 0.015 |
|
Bulk density , g/cm3 |
Light:0.35-0.5g/cm3;
|
Application
As main auxiliary of synthetic detergent,soap synergistic agent,water softener,sequestering agent,and defloculating agent in detergent industry.
Also used in tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production.
Packing
25 kg / 50 kg pp woven bag or /1000 kg super sack bag
