Patent ID: 6288001
Filing Date: 2001-09-11
Classification: B22D,C04B

Abstract:
A graphite containing monolithic refractory comprising:(i) artificial graphite having an average particle size of not less than about 100 .mu.m to not more than about 1 mm in amount of about 5 to about 15 wt %;(ii) pitch powder in an amount of about 0.5 to about 6 wt %;(iii) a component selected from the group consisting of alumina and alumina-magnesia spinel having a particle size of more than about 1 mm to not more than about 10 mm in an amount of about 35 to about 50 wt %;(iv) a component selected from the group consisting of alumina and alumina-magnesia spinel having a particle size of more than about 100 .mu.m to not more than 1 mm in an amount of X wt %, where X is a value satisfying the following equations (1) and (2):15-1.5Y.ltoreq.X.ltoreq.30-1.5Y (1)X>0 (2)and Y is the amount of component (i);(v) a component selected from the group consisting of alumina and alumina-magnesia spinel having a particle size of not more than about 100 .mu.m in an amount of about 15 to about 35 wt %.