Complaint
Food Grade Sodium Tripolyphosphate STPP CAS 7758-29-4 with safety delivery to Russia
Chemical formula: Na5P3O10
Property: White particle or powder, appearant density 0.35-0.90g/cm3, melting point 622ºC. Easily soluble in water, aqueous solution is alkali. Hydrolyze to orthophosphate in water, complexing with calcium, magnesium, iron and other metal ions and generate soluble complex. As inorganic surfactant, it has certain properties of organic surfactants.
| Items | Standards | ||
| Assay (%) (Na5P3O10) | 94%MIN | ||
| Appearance | WHITE GRANULAR | ||
| 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% |
| INDEX | SPECIFICATIONS | RESULT |
| Assay(as Na5P3O10) % | ≥95 | 96.6 |
| P2O5 % | ≥57 | 57.5 |
| As % | ≤0.0003 | <0.0003 |
| Substances not dissolved in water | ≤0.05 | 0.01 |
| Fluorides % | ≤0.003 | 0.0006 |
| Chlorides % | ≤0.025 | 0.016 |
| Heavy Metal (as Pb) % | ≤0.001 | <0.001 |
| Sulfates % | ≤0.4 | 0.3 |
| Whiteness | ≥90 | 95 |
| PH(1% of solution) | 9.5-10.0 | 9.8 |
| Appearance | White powder | Measure up |
Packing instruction: Paper bag or PP-PE bag, Net weight 25kg, 50kg 1000kg per bag, or based on the customers' requirements.
Executive standard: GB/T 9983-2004
Sodium tripolyphosphate(STPP)94%
STPP Tech grade is used as additive in detergent synthesis, ceramics production, soap synergist. Has strong emulsifying property to lubricant and fat, to adjust the PH value of buffer liquid soap, water softener for industrial water, pretanning agent for leather production, in dyeing additive, paint, kaolin, magnesium oxide, calcium carbonate and other industries as dispersant for the preparation of suspension, as dispersant in drilling fluid, as anti-oil agent in paper-making industry.
| By Express | By Air | By Sea |
| Suitable for under 50kg | Suitable for more than 50kg | Suitable for more than 500kg |
| Fast: 3-7 days | Fast: 3-7 days | slow: 3-7 days |
| High cost | Medium cost | Low cost |
| Door to door service | Port to port service | Port to port service |
