Ceramic casting ball
Size:10mesh-300mesh AFS25-AFS125
Main Chemical Composition:
Al2O3≥75%
Fe2O3≤5%
TiO2 ≤5%
SiO2:5%-20%
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 1000C )
Application:
Waterglass bonded sand, resin bondedsand, precision casting, Expendable Pattern Casting (EPC), Copper and Aluminiumarticles casting treatment.
Advantages:
1,replacement of Quartz Sands and Silica Sands
2,Low thermal expansion rate
3,high refractoriness
