Low Cement Castable

Refractory castables mainly include common series, low cement series, ultra-low cement series and light weight series.which are used respectively for the following aspects according to their various features.
Typical technical specification:
AL2O3:Min75%
CaO:Max1.5%
Refractoriness:Min1790C
Bulk density after sintering at 1500C*3h:Min2.65g/cm3
Cold crushing strength after sintering at 1500C*3h:Min65MPa
Modulus of rupture after sintering at 1500C*3h:Min16MPa
Permanent linear charge at 1500C*3h:-0.5-+0.5%
Service Temp. 1550C