描述: SiO2: 68.5±1%, Al2O3: 18.5±1%, K2O: ≧3.0Na2O: ≧2.5%, Li2O: ≧1.6%,Fe2O3:≦0.05%,灼减: ≦1.5
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详细信息 描述: SiO2: 68.5±1%, Al2O3: 18.5±1%, K2O: ≧3.0Na2O: ≧2.5%, Li2O: ≧1.6%,Fe2O3:≦0.05%,灼减: ≦1.5 |