Ceramic casting ball

Size:8mesh-300mesh AFS15-AFS170

Main Chemical Composition:

Al2O3：70-85%

SiO2:5%-20%

Fe2O3≤5%

TiO2 ≤5%

Physical Properties:

Shape:ball, spherical

Angularity: 1.1 max, similar to ball

Bulk Density:1.95-2.05(g/cm3)

Refractoriness: 1790 C min

Thermal expansion: 0.13% (10 min at 1000 C )

Application:

Waterglass bonded sand, resin bonded sand, precision casting, Expendable Pattern Casting (EPC), Copper and Aluminium articles casting treatment.

Advantages:
1,replacement of Quartz Sands and Silica Sands
2,Low thermal expansion rate
3,high refractoriness