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Us Lambert Optics Co.,Ltd
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| Description: |
BK7 is a borosilicate crown optical glass with high homogeneity and low bubble and inclusion content. Its good physical and chemical properties make it widely used in visible NIR windows, lenses and prisms.
Transmission range:330nm-2100nm
Thermal Expansion Coefficient:7.5x10-6/K
.Density:2.51g/cm3 |
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