鉀8.7%,鈉0.18%,鋁9.8%,鐵0.16%,白60
鉀≥8.5%,鈉≤0.2%,鐵≤0.16%,白度≥65
鉀長石200目幹粉,鉀10.73%,鈉0.89%,鋁13.32%,鐵0.14%,燒失量0.3%