China Cerabeads

Size:200#-1500# AFS15-AFS170

Main Chemical Composition:

Al2O3:70-85%

SiO2:5%-20%

Fe2O3:5%max

TiO2:5%max

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