鉀(K2O)>15.69%,鈉(Na2O)>0.72%,鋁(Al2O3)>17.38%,燒失量0.23%
鉀(K2O)>12.14%,鈉(Na2O)>0.56%,鋁(Al2O3)>16.03%,燒失量0.44%,白度64.6