Glass Beads Sand From China
Specifications
1.glass beads for blasting,2.for suface treatment.
3.high hardness,strong grinding force
4.hot in Russia,Korea,Egypt,india
ass
Sandblasting Glass beads 40# | |||
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 |
Sandblasting,grinding,polishing |
||
1. Less impurities
2. Delivery in time
3.High density
4.30% of the energy saving
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