Glbeads is is artificial sand with extremely stable quality, can be used to replace Zircon Sand and no radioactivity.
Angle Factor: ≤ 1.1, very close to ball
Bulk Density: 1.80-1.85 (g/cm3)
Thermal expansion : 0.12%(10 minutes at 1000℃)
PH:6-7, Color : Amber yellow
Coefficient of thermal conductivity: (1200℃)5.17W/M.K
Size:0.1-0.85mm Sand for foundry molds (AFS20-AFS160)
0.05-0.075mm powder for foundry core(AFS200-AFS300)