底料石粉,鉀≥0.32%,鈉≥5.90%,矽≥78.34%,鋁13.40%左右, 鐵≤0.28%,鈦≤0.13%,鈣≤0.35%,鎂≤0.19%,灼減≤1.08%
鈉11%,鋁20%
①鋁14%,鈉5.5%,白度30
②鋁14%,鈉4.8-5%,白度18
原礦,鈉>9%,鋁>16%