GARNET MICROPOWDER FOR GRINDING AND LAPPING
Garnet Micropowder is the Optimum Abrasive for Most Applications.
- Grinding and polishing of precision materials such as TV screens,semiconductor and other special glass product.
- Silicon coating
- polishing pads,buffing pads
Chemical Composition
| Silica SiO2 | 29% |
| Iron(Fe2O3+FeO) | 31% |
| Alumina Al2O3 | 17% |
| Magnesium MgO | 13% |
| Calcium CaO | 8% |
| Manganese MnO | ＜0.3% |
Physical Characteristics
| Specific Gravity | 3.8-4.1/cm3 |
| Mohs Hardness | 7.5-8.0 |
| Acid Solubility (HCL) | <1.0% |
| Bulk density | 1.9-2.1 g/cm3 |
| Chloride | 25ppm max |
| Colour | Red & Brown |
| Melting point | 1300℃ |
| Grain shape | Sub angular |
| Toxic substances | none |
| Conductivity | 83us/cm |
Mineralogical Content
| Almandine garnet | 92-98% |
| Omphacite | ≤1.5% |
| Ilmenite | ≤1.0% |
| Others | ≤0.1% |
Garnet micropowder Particle Size Distribution-Typical Value
| Size | D3(um) | D6(um) | D10(um) | D25(um) | D50(um) | D75(um) | D90(um) | D97(um) |
| 200-300mesh | 23.245 | 25.803 | 29.280 | 36.26 | 46.116 | 54.439 | 72.136 | 87.897 |
| 300-400mesh | 16.020 | 18.656 | 20.163 | 25.364 | 32.514 | 41.605 | 51.251 | 60.395 |
| 500-600mesh | 11.910 | 13.581 | 15.270 | 19.404 | 23.50 | 32.147 | 39.491 | 47.168 |
| 600-700mesh | 8.368 | 9.692 | 11.090 | 14.492 | 18.00 | 26.989 | 34.076 | 41.559 |
| 800-1000mesh | 3.968 | 5.032 | 6.168 | 9.521 | 13.5 | 20.597 | 27.026 | 34.065 |
| 1500-2000mesh | 1.615 | 2.243 | 2.816 | 4.491 | 7.759 | 12.516 | 17.718 | 23.365 |
Packing: 1mt big bag or 25kgs PVC bags+1mt big bag
