Sodium Tripolyphosphate / STPP 94%, light, industry grade
1.Properties: white odorless powder or granule;
Melting point 622°C; Easily soluble in water; It can soften hard water to make suspension solution become into clear solution; It has got weak alkalinity but no corrosiveness.
It is a surfactant, and has got outstanding emulsification to lubricants and fat.
2.Usage:
Chiefly used as a water softener,sequestering agent,and defloculating agent in detergent industry.Also used in ceramic,mine,petroleum and paper manufacturing industries.
3.Specifications:
|
Na5P3O10 |
94% Min |
|
P2O5 |
57.0% Min |
|
Water insoluble: |
0.10% Max |
|
Fe: |
100ppm Max |
|
PH: |
9.2-10 |
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Phase I:
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A:5-20% |
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B:21-40% |
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|
C:40% Min |
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Density:
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Light:0.35-0.5g/cm3; |
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Medium:0.51-0.65g/cm3 |
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|
Dense:0.66-1.0g/cm3 |
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Whiteness: |
85%Min |
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Particle Size |
Through 16 mesh Sieve % ≥ 95 |
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Through 35 mesh sieve % ≥ 90 |
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|
Through 100 mesh sieve %≥ 40 |
