附表3 标准测温锥的化学组成

SK化学式温度/℃PbONa2OK2OCaOMgOB2O3Al2O3SiO20220.500.50　　　1.00　2.00600021☆★020019018017016015014013012011　0.500.500.500.500.500.500.4320.3850.3430.3450.349　0.250.250.250.250.250.250.4320.3850.3430.3140.3400.250.250.250.250.250.250.1360.2300.3140.3140.3111.001.0 ......（本文共 1822 字 ）     [阅读本文] >>