BK7与K9的基本特性对比
Comparison of basic characteristics between BK7 and K9
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特性 Characteristic |
BK7 | K9 |
材料类型 Material Type |
硼硅酸盐玻璃(德国肖特牌号) Borosilicate glass (German Schott Brand) |
中国标准的光学玻璃 Chinese standard optical glass |
国际对应牌号 International Corresponding Brand |
Schott BK7, Ohara S-BSL7 | 中国GB标准,成分与BK7相近 |
主要成分 Main Ingredient |
SiO₂ + B₂O₃ + K₂O | SiO₂ + B₂O₃ + K₂O(类似配方) |