2014 Wholesale Machine Cut Glass Beads for Blasting Ss4.5-ss39
Specifications
1Product Name: sandblasting sand blasting glass beads2Product Number: glass beadDH-PW-850000
Blasting, glass beads
20-40# Manufacturer Glass Beads for Blasting Grinding
Glass Beads | |
Size |
20-40um |
SiO2 |
≥65% |
Na2O |
≤14% |
CaO |
≤8.0% |
MgO |
≤2.5% |
Al2O3 |
0.5-2.0% |
Fe2O3 |
≥0.15% |
Other |
2.0% |
Bulk density |
1.5g/cm3 |
Real Density |
2.5g/cm3 |
Mohs Hardness |
6-7 |
HRC hardness |
46 |
Roundness |
≥92.5% |
Magnetic |
≤0.1% |
Bubble |
<0.1% |
Usage |
1,Used in cleaning and metal surface strengthening treatment technology, Used for sandblasting equipment. 2,Used as disperser,grinding media and filter material in day,paint,ink and chemical industry. 3,road marking |
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