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
