Feuerfestmaterial

refractory material High Alumina Bricks for Hot Blast Stove and High Alumina Bricks used for the roof of Steelmaking Electric FurnaceNameBrandAL2O3≥%Apparent Porosity≤ MpaCold CrushingStrength ≥°cRefractoriness ≥°cReractoriness Under load ≥(1450°c,2h)%Premanent linear changeg/cm3Bulk density g/cm3High Alumina Bricks for Hot Blast StoveJB-65244917901500+0.1-0.4-JB-55244417701470+0.1-0.4-High Alumina Bricks used for the roof of Steelmaking Electric FurnaceJB-80801980179015501500°c,2h -0.22.7JB-7575197017901530-0.32.65