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Commercial Quality Windows, Square, Borofloat 33

Specifications

Diameter Tolerance

+/- 0.125 mm

Thickness Tolerance

+/- 0.125 mm

Surface Accuracy

~5 wave per inch

Surface Quality

60-40, scratch-dig or better

Parallelism

<15'

Edges

Fine ground and beveled

Commercial Quality Windows, Square, Borofloat 33

Esco PN:
  • $ 990


Commercial windows are used for sight glasses, instrument windows, beamsplitter substrates, vacuum windows and welding window substrates. Esco carries a complete inventory of square commercial optical windows made from Borofloat 33 which is a direct equivalent to Pyrex, which is no longer manufactured. 

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