|
|
iav hlaws rau ntawm qhov chaw |
iav hlaws ntawm qhov siab roundness nto |
|
Qhov tshwm sim |
tsis muaj xim, pob tshab, tsis pom tseeb npuas thiab impurities |
tsis muaj xim, pob tshab, tsis pom tseeb npuas thiab impurities |
|
Qhov ntau thiab tsawg |
20-140 mesh (109-830 μm) |
10-40 mesh (380-1700 μm) |
|
Roundness |
≥80% |
≥ 90% |
|
Reflectivity |
≥ 1.5 |
≥ 1.5 |
|
Qhov ntom |
2.4-2.6g / cm3 |
2.4-2.6g / cm3 |
|
Cov khoom xyaw tseem ceeb |
SiO2> 70% |
SiO2> 70% |
