Character&Purpose: White crystal powder, mainly use for syringe, curry，paper making，etc.
Packing: 25KG PP/PE BAG
Formula: Na5P3O10
Standard: GB 9983-88
| Item | Spec. | Typical Results |
| Sodium Tripolyphosphate (as Na5P3O10)/% | 94 Min. | 95 |
| Total Phosphorous (as P2O5)/% | 57 Min. | 58 |
| Water Insoluble/% | 0.1 Max. | 0.02 |
| Iron (as Fe) | 90ppm Max. | 67 |
| Bulk Density | 0.65~0.9 g/cm3 | 0.82 |
| Screenings 1mm on test screen/% | 2 Max. | 0.8 |
| Content of Phase I | 10~30 | 25 |
| Whiteness | 85 Min. | 89 |
| PH VALUE | 9.2~10 | 9.5 |
for Food Grade:
| Item | Spec. | Results |
| Chloride/% | 0.05 Max. | 0.01 |
| As | 3ppm Max. | PASS |
| F | 30ppm Max. | PASS |
| Pb | 10ppm Max. | PASS |