glass beads for blasting/grinding/road marking
Chemical Compositions:
SiO2≥65.0%
Na2O≤14.0%
CaO≤8.0%
MgO≥2.5%
AL2O3:0.5-2.0%
Fe2O3≥0.15%
Other:2.0%
Physical Properties:
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%
1,Sandblasting
Available Size:10mesh 12mesh 14mesh 20mesh 30mesh 40mesh 50mesh 60mesh 70mesh 80mesh 100mesh 120mesh 140mesh 170msh 180mesh 200mesh 230mesh 325mesh
- Grinding
Available size: 0-0.5mm 0.5-1mm,1-1.5mm,1.5-2mm,2-2.5mm,
2.5-3mm,3-3.5mm.3.5-4mm…
3.Road Marking
Available size:
1 Chinese Standard- JT/T 446-2001
2 England Standard- BS6008A/B
3 American Standard- AASHO No1/2
4 Europe Standard- EN1423, EN1424
5 Australia Standard- AS2009B/C
6 Korea Standard- KSL2521
