High Alumina Refractory Brick
High Alumina Brick for general applicationsHigh alumina brick for blast furnaceBurned micro hole carbon-high alumina brick for blast furnaceNormal high alumina brick for hot blast stoveLow creep high alumina brick for hot blast stoveHigh alumina brick for electric arc furnace roofsHigh alumina brick for steel ladleItemIndexInternational code nameSK36SK37SK38SK40Chinese code nameLZ-55LZ-65LZ-75LZ-80Al2O3 min %55657580Fe2O3 max %2222Refractoriness C min.Refractoriness under Load C min.Permanent Linear Change %1500 C×2h+0.1~-0.41500 C×2h+0.1~-0.41500 C×2h+0.1~-0.41500 C×2h+0.1~-0.4Apparent Porosity max. %22232321Cold Crushing Strength mim.44495465
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