





Magnesium spraying material for RH
Magnesia Gunning Mix for RH Vacuum Degassing Furnace is formulated using high-purity magnesia as the primary raw material, combined with specially designed gunning binders. The material features a high deposition rate and low rebound loss, ensuring efficient application and reduced material consumption during installation and repair.
-
Erosion resistance
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High adhesion rate
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Convenient construction
Product Introduction
Magnesia Gunning Mix for RH Vacuum Degassing Furnace is formulated using high-purity magnesia as the primary raw material, combined with specially designed gunning binders. The material features a high deposition rate and low rebound loss, ensuring efficient application and reduced material consumption during installation and repair.The product offers high strength at elevated temperatures, excellent resistance to basic steel slag corrosion, outstanding volume stability under vacuum operating conditions, and good thermal shock resistance. These properties make it particularly suitable for rapid hot repairs in RH refining furnaces.It is widely used for hot-state maintenance and repair of RH furnace vessel walls and snorkels, helping to extend campaign life and minimize downtime.
Product Specifications
|
Index |
HWPRH-80 |
HWPRH-70 |
|
|
MgO(%) ≥ |
|
80 |
70 |
|
Cr2O3(%) ≥ |
|
- |
- |
|
Bulk Density(g/cm3 ) ≥ |
110℃ ×24h |
2.35 |
2.3 |
|
Modulus Of Rupture(MPa) ≥ |
110℃ ×24h |
1 |
1 |
|
1500℃ ×3h |
5 |
5 |
|
|
Cold Compressive Strength(MPa) ≥ |
110℃ ×24h |
10 |
8 |
|
1500℃ ×3h |
25 |
20 |
|
|
Permanent Linear Change(%) |
1500℃ ×3h |
- |
- |
- Grade:
- HWPRH-80
- HWPRH-70









