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Magnesia carbon brick for electric furnace
Electric furnace magnesia carbon brick is made of fused magnesia and high carbon graphite as the main raw materials, adding appropriate amount of antioxidant, and phenolic resin as binder by high pressure molding. The product has excellent corrosion resistance and thermal shock stability, and is used for the masonry of the working layer of ordinary electric furnaces and high power and ultra-high power electric furnaces.
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Eaf Refractories
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Product Description
Electric furnace magnesia carbon brick is made of fused magnesia and high carbon graphite as the main raw materials, adding appropriate amount of antioxidant, and phenolic resin as binder by high pressure molding. The product has excellent corrosion resistance and thermal shock stability, and is used for the masonry of the working layer of ordinary electric furnaces and high power and ultra-high power electric furnaces.
physical and chemical index
| Indicator ex | Brand | ZMC8 | ZMC10 | ZMC12 | ZMC14 | ZMC18 | ZMC20 |
| MgO(%) ≥ | 84 | 82 | 80 | 78 | 74 | 72 | |
| C(%) ≥ | 8 | 10 | 12 | 14 | 18 | 20 | |
| Apparent porosity of apparent porosity ≤ | 4.0 | 4.0 | 4.0 | 3.5 | 3.5 | 3.5 | |
| Bulk density (g/cm³) Bulk density ≥ | 3.05 | 3.02 | 3.00 | 2.97 | 2.92 | 2.88 | |
| Normal temperature compressive strength (MPa) C.C.S≥ | 45 | 40 | 40 | 40 | 35 | 30 | |
| High temperature flexural strength (MPa) H.M.O.R 1400 ℃× 0.5h ≥ | 6 | 6 | 8 | 8 | 8 | 8 | |
| Use part Application | Side wall | Side wall | Universal Common | Hot,slag line | Hot spot,slag line | Hot spot,slag line | |
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Quliang Industrial Cluster Area, Xinmi City, Zhengzhou City, Henan Province