Brief Introduction
Refractory Ramming mass is a refractory material made by ramming process. It is composed of various aggregates, binders and additives. We supply different types of ramming mass, including acidic ramming mass, neutral ramming mass and basic ramming mass, as follows:
Rongsheng acidic ramming mass: silica ramming mass and quartz ramming mass, etc.;
Rongsheng neutral ramming mass: corundum ramming mass, mullite ramming mass and aluminum ramming mass, etc.;
Rongsheng basic ramming mass: dolomite ramming mix, magnesia ramming mass, magnesia aluminum ramming mass and aluminum magnesia ramming mass, etc.;
Technical Data Of Neutral Ramming Mass
Model |
Corundum Ramming Mass |
Mullite Ramming Mass |
High Alumina Ramming Mass |
ω (Al2O3)/% |
90 |
>80 |
45-90 |
ω (CaO)/% |
/ |
/ |
2 |
ω (SiO2)/% |
/ |
<16 |
<3 |
Bulk Density (g/cm³) |
2.95-3.15 |
2.6 |
2.3-2.7 |
Max Working Temperature/℃ |
1900 |
1400 |
1400-1700 |
Application Area |
Mainly used in coreless medium frequency furnace, core induction furnace, electric arc furnace, non-ferrous metal smelting furnace |
Technical Data Of Acidic Ramming Mass
Model |
Silica Ramming Mass |
Quartz Ramming Mass |
ω (Al2O3)/% |
0.8 |
/ |
ω (SiO2)/% |
98 |
98.5 |
Bulk Density (g/cm³) |
1.9-2.2 |
2.1-2.3 |
Max Working Temperature/℃ |
1650 |
1600-1750 |
Application Area |
Mainly used in coreless medium frequency furnace, cored induction furnace, glass melting furnace, non-ferrous metal melting furnace, traditional casting furnace |
Technical Data Of Alkaline Ramming Mass
Model |
Dolomite Ramming Mix |
Magnesia Ramming Mass |
Alumina Magnesia Spinel Ramming Mass |
Magnesia-Alumina Spinel Ramming Mass |
ω (MgO)/% |
30-40 |
≥96 |
11-32 |
75 |
ω (Al2O3)/% |
/ |
<1.5 |
65-88 |
22 |
ω (CaO)/% |
40-60 |
/ |
1 |
/ |
ω (SiO2)/% |
/ |
<2 |
1 |
/ |
Bulk Density (g/cm³) |
2.8-3.2 |
2.85-2.9 |
2.95-3.15 |
3.05 |
Max Working Temperature/℃ |
1580-1900 |
1800 |
1800 |
1800 |
Application Area |
Mainly used in coreless medium frequency furnaces, induction furnaces, special melting furnaces |