Bk7 Glass Sheet
The relatively hard borosilicate crown material consists of purest raw ingredients.
Bk7 glass sheet. Bk7 demonstrates good visible transmittance and is an excellent substrate for both visible filters and reflective films. It is one of the most standard glass types used to produce high quality optics mainly for the visible spectrum. N bk7 is a very pure universal optical glass made by schott. Data sheet schott n bk 7 517642 251 n n d e 1 51680 1 51872 d e 64 17 63 96 n n f f n n c c 0 008054 0 008110 refractive indices nm n2325.
It contains very few inclusions and is almost free of bubbles. Bk7 is a high quality optical glass that is used whenever the additional benefits of fused silica are not required. Find more information in the tabs below or on our website. Schott n bk7 n glass as an environmentally friendly alternative to conventional lead and arsenic containing glass types.
Compare glass types with our interactive abbe diagram. Since bk7 performs well in all chemical tests and no additional or special handling is required costs of manufacturing are reduced. Information provided by schott north america inc. Schott n bk7 glass categories.
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