WM series electric furnace spray material is based on the construction characteristics of the injection material. Combined with the characteristics of electric furnace steelmaking process, the choice of high-quality magnesium raw materials and unique binder, admixture is prepared. · this series of products has the characteristics of high adhesion strength, low resilience, easy sintering, erosion resistance, erosion resistance, etc., and is an ideal material for cold and hot repair of various parts of the electric furnace.
ltem/ Grade | WM-GM2 | WM-GM3 | |
---|---|---|---|
MgO≥% | 82 | 80 | |
Bluk densely≥g/cm³ | 110℃ x 16h | 2.45 | 2.40 |
1500℃ x 3h | 2.50 | 2.50 | |
Clod crushing strengh≥Mpa | 110℃ x 16h | 15 | 15 |
1500℃ x 3h | 20 | 20 | |
Clod breaking strengh≥Mpa | 110℃ x 16h | 5 | 5 |
1500℃ x 3h | 7 | 7 | |
Permanent linear change % | 1500℃ x 3h | -2.0-0 | -2.5-0 |
Construction reference water volume % | 9-11 | 9-11 | |
Higher operating temperature ℃ | 1750 | 1700 |