1.粒狀,灼減<8.5%,氧化鈣35-38%,白度>52;2.粉體(ti) 325目, 灼減<2.5%,氧化鈣38-42%,白度78-82
坯體(ti) 用矽灰石,鈣32-35%, 燒失4-10%,濕白25-70
鈣>32%,燒失量4-10%,燒後白度20-70
矽99.33%,鐵0.038%,鋁0.28%
矽45-51%,鈣41-46%