Description
SIZE OF GLASS BEADS
|
Sandblasting |
20# 30# 40# 50# 60# 70# 80# 90# 100# 120# 140# 150# 170# 180# 200# 220# 240# 325# |
|
Grinding |
0.8-1mm 1-1.5mm 1.5-2mm 2-2.5mm 2.5-3mm 3.5-4mm 4-4.5mm 4-5mm 5-6mm 6-7mm |
|
Road Marking |
BS6088A BS6088B EN1424 EN1423 AASHTO AASHTO TYPE1 TYPEII JIS NO.1 JIS NO.2 |
Specification
PHYSICAL INDEX OF GLASS BEADS
|
Bulk density |
1.5g/cm3 |
|
Real Density |
2.5g/cm3 |
|
Mohs Hardness |
6-7 |
|
HRC hardness |
46 |
|
Roundness |
≥80.0% |
|
Bubble |
<10% |
CHEMICAL INDEX OF GLASS BEADS
|
SiO2 |
≥65% |
|
Na2O |
≤14% |
|
CaO |
≤8.0% |
|
MgO |
≤2.5% |
|
Al2O3 |
0.5-2.0% |
|
Fe2O3 |
≥0.15% |
|
Magnetic |
≤0.1% |
|
Other |
2.0% |
APPLICATION OF GLASS BEADS
|
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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