鉀3%,鈉3.5%,鋁14%,白度31
鋁14%,鉀3%,鈉3.5%,燒後白度32
矽≥99.8%,鋁≤0.05%,鐵≤0.003%, ≥30目0%,30一140目≥95%,≤140目≤5.0%,水份≤5.0%