Item Sk-32Sk-34Sk-36Sk-38 Ai2o3(%)35385070 Fe2o3 (%)32.522 Refractoriness (sk32/ 1710¡æ34/ 1750¡æ36/ 1790 ¡æ38/1800 Refractorines under load, 0.2mpa, ta, (¡ãc)1300135014501550 Porosity(%)19-2219-2320-2421-24 Bulk density (g/cm3)2.10-2.152.15-2.202.25-2.302.35-2.4 Cold crushing strength (mpa)2525-304550 Thermal expansion at 1000¡æ (%)0.60.60.3- 230*115*64mm 512pcs/plt 230*115*76mm 384pcs/plt
