Glass beads

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%

Application:

1, Sandblasting, road marking

Available Size:10mesh 12mesn 14mesh 20mesh 30mesh 40mesh 50mesh 60mesh 70mesh 80mesh 100mesh 120mesh 140mesh 170msh 180mesh 200mesh 230mesh 325mesh

2，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…