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Potassium bromide (KBr) windows catalog.

Welcome to our new KBr windows catalog. Custom sizes and specifications of KBr windows are available. Moisture protective coating can be applied on all KBr windows. Also we are experts in KBr beamsplitters. Contact us for quotation and save up to 90%!

We have long experience of supplying the windows of standard (catalogue) sizes for the commonly used instruments from Perkin Elmer, Nicolette, Bruker Optics, Pike, etc.

  • Excellent Transmission from 250nm to 26µm
  • Good Resistance to Mechanical Shock
  • Ideal for FTIR Spectroscopy
  • Packing: All KBr optics carefully packaged into plastic boxes with silicagel and sealed with special moisture protective film.
Cat# Dia, in Dia,mm TH, in TH, mm
KB-W-12.7-2 0.5 12.7 0.079 2.0
KB-W-12.7-3 0.5 12.7 0.079 3.0
KB-W-25.4-2 1 25.4 0.079 2.0
KB-W-25.4-3 1 25.4 0.118 3.0
KB-W-25.4-4 1 25.4 0.157 4.0
KB-W-25.4-5 1 25.4 0.197 5.0
KB-W-25.4-6 1 25.4 0.236 6.0
KB-W-38.1-3 1.5 38.1 0.118 3.0
KB-W-38.1-4 1.5 38.1 0.157 4.0
KB-W-38.1-5 1.5 38.1 0.197 5.0
KB-W-38.1-6 1.5 38.1 0.236 6.0
KB-W-50.8-4 2 50.8 0.157 4.0
KB-W-50.8-5 2 50.8 0.197 5.0
KB-W-50-6 2 50.8 0.236 6.0
KB-W-63.5-6 2.5 63.5 0.236 6.0
KB-W-63.5-8 2.5 63.5 0.315 8.0
KB-W-76.2-8 3 76.2 0.315 8.0
KB-W-76.2-12 3 76.2 0.472 12.0
KB-W-95-35 3.74 95.0 1.378 35
KB-W-101.6-12 4 101.6 0.5 12.7
KB-W-101.6-15 4 101.6 0.591 15.0
Custom KBr windows up to 140mm diameter are available upon request.
KBr windows: Standard Specifications
Material KBr optical grade
Dimensions ± 0.00/-0.10mm
Thickness ± 0.10mm
Surfaces 80/50 or 60/40
Edges Fine Ground
Flatness By request
Parallelism ≤ 3 Arc mins