PWA is a high quality alumina type abrasive powder, consisting of a plate-shaped crystal of Al20 with a purity of over 99.0%. It has excellent heat resistant properties as well as being chemically inert, and is not corroded by either acids or alkalines.
Main Colors
- White
- Off-White
Price
USD $2.53-17.01 / kg EXW
Packaging
25 kg bags or customized packaging on request
| Chemical Composition(%) | ||||
|---|---|---|---|---|
| Size | Al2O3 | SiO2 | Fe2O3 | Na2O | PWA3-PWA45 | > 99.00 | < 0.20 | < 0.10 | < 1.00 |
| Particle Distribution (μm) | ||||
|---|---|---|---|---|
| Particle Size | D0 | D3 | D50 | D94 |
| 45 | < 82.9 | 53.4±3.2 | 34.9±2.3 | 22.8±1.8 |
| 40 | < 77.8 | 41.6±2.8 | 29.7±2.0 | 19.0±1.0 |
| 35 | < 64.0 | 37.6±2.2 | 25.5±1.7 | 16.0±1.0 |
| 30 | < 50.8 | 30.2±2.1 | 20.8±1.5 | 14.5±1.1 |
| 25 | < 40.3 | 26.3±1.9 | 17.4±1.3 | 10.4±0.8 |
| 20 | < 32.0 | 22.5±1.6 | 14.2±1.1 | 9.00±0.80 |
| 15 | < 25.4 | 16.0±1.2 | 10.2±0.8 | 6.30±0.50 |
| 12 | < 20.2 | 12.6±1.0 | 8.20±0.60 | 4.90±0.40 |
| 9 | < 16.0 | 9.70±0.80 | 6.40±0.50 | 3.60±0.30 |
| 5 | < 12.7 | 7.20±0.60 | 4.60±0.40 | 2.80±0.25 |
| 3 | < 10.1 | 5.20±0.40 | 3.10±0.30 | 1.80±0.30 |