Ramming Masses

RAMMING MASSES for EAF Bottom (COLD MASS)

Special ramming mix manufactured from sintered magnesia. Used for new hearts bottoms, banks side wall and for cold repairs of high temperature strained parts of electric arc furnaces, dry application-vibrating, ramming. possibility of oil addition.

CHEMICAL ANALYSIS

MgO

74.0 % min.

CaO

19.0 % max.

SiO2

1.5 % max. , 1.0 typ

Fe2O3

3.5 – 5.5 %

Al2O3

0.5 % max.

OTHER CHARACTERISTICS

Grain size

0 – 6* mm

Bulk weight

2.4 – 2.6 kg/dm3

Limit of application

1750 °C

Bond

Ceramic