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EBT tapping brick of electric furnace

The main raw materials are low-silicon, high-calcium and high-purity fused magnesia and large-crystal fused magnesia, with large-scale high-purity graphite, and various composite additives such as metal and boride are combined with thermosetting and thermoplastic phenolic resins. The product has the characteristics of high density, high strength and high purity, good resistance to mechanical erosion of molten steel, and excellent resistance to high temperature and oxidation resistance.

Classification:

Eaf Refractories


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Product Description

The main raw materials are low-silicon, high-calcium and high-purity fused magnesia and large-crystal fused magnesia, with large-scale high-purity graphite, and various composite additives such as metal and boride are combined with thermosetting and thermoplastic phenolic resins. The product has the characteristics of high density, high strength and high purity, good resistance to mechanical erosion of molten steel, and excellent resistance to high temperature and oxidation resistance.

physical and chemical index

Indicator ndex Brand MT10A MT14A
Chemical composition (%) Chemical composition MgO(%) ≥ 78 80
C(%) ≥ 10 14
Appert porosity (%) Apparent porosity ≤ 4 4
Bulk density (g/cm³) Bulk density ≥ 2.92 2.90

Room temperature resistance C.C.S≥

45 45
High temperature flexural strength (MPa) H.M.O.R 1400 ℃ x0.5h≥ 8 10

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