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Hebei wanye chemical stock limited have the plant of produce sodium tripolyphosphate and the exported quantity ranking the third at China export list in 2012.
Name: Sodium tripolyphosphate
Purity: 94% ;
Classification: Phosphate ;
EINECS No: 231-838-7 ;
Other Names: STPP ;
Appearance: white powder, ; Model Number: 94% ;
MF: Na5P3O10 ;
H.S.code: 2835.3100
| No | Specification | Industrial grade |
| 1 | Main content %≥ | 94．0 |
| 2 | P2O5 %≥ | 57.0 |
| 3 | Water insoluble %≤ | 0.1 |
| 4 | Iron, as Fe %≤ | 0.015 |
| 5 | density | 0.5-0.7 |
| 6. | pH of 1% water solution | 9.2-10.0 |
sodium tripolyphosphate
