Products
STPP - Sodium Tripolyphosrhate Industrial Grade
Molecular Formula:Na5P3O10
Molecular Weight:367.86
CAS NO.:7758-29-4
Standard executed:GB/T9983-2004
Appearance:White powder or granule.
Usage:Mainly used as the detergent builder, and for the use of petroleum,mining,water--treating industries and so on.
Packaging:25kg,50kg,1000kg bags or according to customer's demand
Specification
|
Item |
Industrial Grade |
||
|
Excellent class |
First class |
Qualified |
|
| Main contents (Na5P3O10), W/% ≥ | 96 | 90 | 85 |
| P2O5, W/% ≥ | 57.0 | 56.5 | 55.0 |
| Water insoluble, W/% ≤ | 0.10 | 0.10 | 0.15 |
| Iron (as Fe), W/% ≤ | 0.007 | 0.015 | 0.030 |
| Whiteness, W/% ≥ | 90 | 85 | 80 |
| pH value (1% solution) | 9.2~10.0 | ||
| Particle size |
Through 1.00mm mesh sieve ≥ 95%. |
||
| Phase I and bulk density: According to customer's demand. | |||
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