Sodium Tripolyphosphate STPP Property:
White powder or granular solid, soluble in water, which complexing ability to alkali metal and metal salt,It can soften water, adjust and buffer the PH value of saponification value, 1% solution PH value of 9.7 with ion exchange ability.
Technical index(Specification:GB/T 9983-2004):
| Items | Standards | ||
| Assay (%) (Na5P3O10) | 94%MIN | ||
| Appearance | White particles or powder | ||
| P2O5 (%) | 57.0 MIN | ||
| Bulk density | 0.4~0.6 | ||
| Iron | 0.15%MAX | ||
| Temperature rise | 8~10 | ||
| Polyphosphate | 0.5 MAX | ||
| PH value(%) | 9.2 - 10.0 | ||
| Ignition loss | 1.0% MAX | ||
| 20mesh through | ≥90% |
Product Packing:
PP and PE composite woven bags, inner vacuum treatment: 20kg/bag, 25kg/bag, 1000kg/bag, net weight and pattern can be customized.
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