Alias: Sodium hexametaphoshpate, sodium phosphate glass
Molecular formula: (NaPO3)n
Packing instruction: Paper bag or PP-PE bag.Net weight 25kg per bag, or based on the customers' requirements.
Property: Colorless transparent glass flaky or granular
Executive standard: GB 1886.4-2015
Quality standard:
Item |
Index |
Total content of phosphate (calculated by P2O5),% ≥ |
68 |
Content of inactive phosphate (calculated by P2O5),% ≤ |
7.5 |
Content of water insoluble matter,% ≤ |
0.06 |
Iron content (Fe) ,% ≤ |
0.02 |
pH value |
5.8-6.5 |
Arsenic content (As) ,% ≤ |
0.0003 |
Content of heavy metal (Calculated by Pb) ,% ≤ |
0.001 |
Fluoride content (Calculated by F),% ≤ |
0.003 |
Appearance |
Colorless transparent glass flaky or granular |
Use mainly as a softener and anticorrosion agent for industrial water, diffusion agent of manufacture paper, bonding agent of blast-furnace refractory, floatation agent for ore-dressing, etc. Food grade can be used as quality improver in beverage, milk products and can goods etc, as PH adjuster and as metal ion adhesive, It can help to protect color of food, to emulsify fats in meat cans and to keep beer from muddling.