Refractory material with features as following,1.raw material: high quality refractory bauxite clinker2.main maneral:mullite and corundum3.performance:   good refractoriness and chemical erosion resistance  4.certificate:ISO9001-20005.function:high alumina refractory brick used for EAF roof6.physical and chemical performance: No.Items DL-80DL-75BDL-80BDL-75Al2O3 %80756575Apparent porosity AP %1921192118201820Cold crushing strength CCS MPa75656055Reheat linear change%1550×2h0-0.30-0.3±0.2±0.2Thermal shock resistance(1100,water cooling )cyclesProvide date88

• Special Materials(2)

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