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glass beads with the quality of clean,transparent,no bubbles and impurity. Widely used in blasting,polishing,grinding etc.
Model | Mesh | Size μm |
30# | 20-40 | 850-425 |
40# | 30-40 | 600-425 |
60# | 40-60 | 425-300 |
80# | 60-100 | 300-150 |
100# | 70-140 | 212-106 |
120# | 100-140 | 150-106 |
150# | 100-200 | 150-75 |
180# | 140-200 | 106-75 |
220# | 140-270 | 106-53 |
280# | 200-325 | 75-45 |
Grinding Glass beads 1-1.5mm | |||
Chemical Analysis | Physical Properties | ||
SiO2 | ≥65.0% | Bulk Density | 1.5g/cm3 |
Na2O | ≤14.0% | Real Density | 2.5g/cm3 |
CaO | ≤8.0% | Mohs Hardness | 6-7 |
MgO | ≥2.5% | HRC hardness | 46 |
AL2O3 | 0.5-2.0% | Roundness | ≥92.5% |
Fe2O3 | ≥0.15% | Magnetic | ≤0.1% |
Other | 2.0% | Bubble | ≤0.1% |
Usage | Grinding Material | ||
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