ASTM C 148, Annealing test for glass container 玻璃容器偏振检验的试验方法 Test Method A - Comparison with reference standards 与参考标准相比较 - Retardations < 150 nm |
ASTM C 148, Annealing test for glass container 玻璃容器偏振检验的试验方法 Test Method B - Determination with Polari meter 偏光计测试 - Retardation < 565 nm |