PWA/WCA IS A PLATELET WHITE CALCINED ALUMINUM OXIDE ABRASIVE POWDER CONSISTING OF PLATE-SHAPE CRYSTAL OF ALUMINUM OXIDE(Al2O3) WITH HIGH PURITY MORE THAN 99% AND CONCENTRATED PSD.
AVERAGE CHEMICAL COMPOSITION(TYPICAL)
| Al2O3 | ＞99.0% |
| SiO2 | ＜0.2% |
| Fe2O3 | ＜0.1% |
| Na2O | ＜1% |
| Mohs Hardness | 9.0 |
| Specific Gravity | ＞3.9g/cm3 |
| Shape | Plate-shape |
| SIZE | D0 | D3 | D50 | D94 |
| PWA/WCA40 | <77.6 | 39-44.6 | 27.7-31.7 | 18-20 |
| PWA/WCA35 | <64.2 | 35.4-39.8 | 23.8-27.2 | 15-17 |
| PWA/WCA30 | <50.4 | 28.1-32.3 | 19.2-22.3 | 13.4-15.6 |
| PWA/WCA25 | <40.1 | 24.4-28.2 | 16.1-18.7 | 9.6-11.2 |
| PWA/WCA20 | <32.0 | 20.9-24.1 | 13.1-15.3 | 8.2-9.8 |
| PWA/WCA15 | <25.2 | 14.8-17.2 | 9.4-11 | 5.8-6.8 |
| PWA/WCA12 | <20.3 | 11.8-13.8 | 7.6-8.8 | 4.5-5.3 |
| PWA/WCA09 | <16.3 | 8.9-10.5 | 5.9-6.9 | 3.3-3.9 |
| PWA/WCA05 | <12.5 | 6.6-7.8 | 4.3-5.1 | 2.55-3.05 |
| PWA/WCA03 | <10.0 | 4.8-5.6 | 2.8-3.4 | 1.5-2.1 |
PACKAGING:TWO 10KGS PLASTIC BAGS IN ONE PAPER BOX,50PAPER BOX ON ONE PALLET
MAIN APPLICATIONS
Super finishing silicate grindstone,super finishing Phenol Bond Grindstone, Precision Coated Polishing Tape, Precision Coated Polishing Paper, Hard to Soft Metal Lapping, Optical Plastic Lapping, Filler for Coating, Honing Stones, Gallium Arsenide Lapping, Silicon Lapping, Filler for Heavy Electrical Machinery Parts, Precision Coated Polishing Cloth, lapping agent, compounding agent, coating, Optical Glass Lapping, filter, Quartz Crystal Lapping, abrasive, Silicon Wafer Lapping, Crystal Lapping, Hardened Glass Lens Lapping, Soft Metals Lapping, Super Finishing Vitrified Grindstone
