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| Specifications | Industrial Grade | Food Grade |
| Main content%≥ | 94.0 | 94.0 |
| P2O5%≥ | 57.0 | 57.0 |
| Water insoluble%≤ | 0.1 | 0.05 |
| Fe %≤ | 0.015 | 0.01 |
| PH value of 1% solution | 9.2-10.0 | 9.5-10.0 |
| Fluoride as F%≤ | 0.003 | |
| Arsenic, as As%≤ | 0.0003 | |
| Heavy metal, as Pb%≤ | 0.001 | |
| Chloride, as cl% ≤ | 0.025 |
Packing: In 25kg or 50kg polyethylene film bag with outer polypropylene woven bag. Can be palletized. Property: White powder, Surfact density: 0.35-0.9g/cm3, Melting Point: 622degree, free soluble in water, aqueous solution appears acid, it is a kind of inorganic surfact active agent. Use: Used as main detergent builder: As soft water agent, as detergent building foaning agent, as emulsifier of oils and greases, as peptizing agents, as pH buffers, and to provide alkalinity. Used in petroleum induatry as peptizing and deflocculation agents in oil well drilling muds, sequestration in cotton boiling, bath water softening, red and black water control, cathoclic corrosion in hibiter.
94% stpp for detergent