A white powder, non-toxic, odorless and in flow ability. With strong power of calcium ion exchange capacity and compatibility and without pollution to environment, the product is an ideal phosphate-free auxiliary agent for detergent that substitutes for STPP. With high surface adsorption capacity, it is also an optimum adsorbent and desiccant.
| Brand | Z-4A |
| Ca exchange capability | ≥295 (mg CaCO3/g) |
| Ca exchange rate: (2 minutes) | ≥175 (mg CaCO3/g) |
| (10 minutes) | ≥190(mg CaCO3/g) |
| Particle size ：D50 | 2-4 um |
| D10 | ≥1 um |
| D90 | ≤10 um |
| +325mesh（wet sieve） | ≤2% |
| whiteness (W=Y10) | ≥96% |
| PH (1% solution, 25 ℃) | ≤11 |
| LOI（800℃, 1h） | ≤22% |
| Al3+ (Dry basis) | ≥18* |
