规格型号及理化指标:1、一级料Al2O344-45%;Fe2O3≤1.5%;SiO2+Al2O3≥96%;K2O+Na2O≤0.40%;CaO+MgO≤0.50%;TiO2≤0.90%;体积密度≥2.50(g/cm3);耐火度≥1750℃2、特级料Al2O3
2006-12-08 面议规格型号及理化指标:1、一级料Al2O344-45%;Fe2O3≤1.5%;SiO2+Al2O3≥96%;K2O+Na2O≤0.40%;CaO+MgO≤0.50%;TiO2≤0.90%;体积密度≥2.50(g/cm3);耐火度≥1750℃2、特级料Al2O3
2006-11-12 面议