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Sodium Tripolyphosphate Ceramic Grade ( STPP ) used for Ceramic, detergent, etc. CAS No 7758-29-4
Basic Info
| Product Name | Sodium Tripolyphosphate | Type | Tech Grade | Purity | 94% min |
| Other Names | STPP | Molecular Formula | Na5P3O10 | HS code | 28353100 |
| Place of Origin | China Mainland | Molecular Weight | 367.86 | CAS No | 7758-29-4 |
| Appearance | White powder | Grade Standard | Ceramic Grade | EINECS No | 237-004-9 |
| Model Number | GC-STPP | Application | Ceramic, detergent, etc. | Brand Name | GC |
Property
1. White Powder or Crystal with good fluidity;
2. Structurally, STPP has two types. One is anhydrous white powder, called Type Ⅰ; the other is right-angle, parallel, hexahedron and hexahydrate crystal, called Type Ⅱ.
3. Type Ⅰ: Density 2.62g/cm3 , easily absorbing Moisture and agglomerating when exposed in the air; Type Ⅱ: Density 2.57g/cm3 , absorbing Moisture very slowly and hard to agglomerating even exposed in the air.
3. Melting point 622℃
4. Easily dissolves in water and solution is alkaline
Specifications
| Item | Standard |
| Na5P3O10 | 94% min |
| P2O5 | 56.5% min |
| Insoluble in Water | 0.1% max |
| Phase I | 35 min |
| Iron (Fe) | 0.015% max |
| PH Value | 9.2 – 10.2 |
| Bulk Density (g/ml) | 0.65-0.8 (Middle Density) |
| Whiteness | 90% min |
| Moisture | 0.5% max |
| Sieving test: Retained 40 mesh | 10% min |
Applications
Mainly used in detergent industrial, regularly used in ceramic, petroleum, metallurgy, mining, water treatment, food, leather, paper, printing and dyeing industry, etc.
Roles
In Ceramics: distribute clay evenly;
In Paint: help the pigments evenly dispersed;
In Leather: used as a tanning agent for. Due to its cleaning action;
In Paper: applied as an oil-resistant agent when mills coating paper;
In Cleaning: widely applied as an ingredient in detergents, soaps and toothpaste, etc;
In Food: preserve foods by keep their tenderness and moisture during storage and transport.
Packing
In 25 kg woven bags, 20MT/20’FCL (without pallets); 16MT/20’FCL (on pallets)
