Brand

Corundum based high strength refractory castables

service temperature °C

1800°C

Chemical composition(%)

Al2O3

94% Min

CaO

2.0% Max

Fe2O3

0.2% Max

Bulk density(g/cm3)

3.00

Cold crush strength(Mpa)

110°C×24h

76

1500°C×3h

105

Modulus of rupture( Mpa)

110°C×24h

11.2

1500°C×3h

13.5

permanent linear change (%)

1500°C×3h

+0.3