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Sodium Chloride (NaCl) windows catalog. Drilled NaCl windows.

Welcome to our NaCl windows catalog. Custom sizes and specifications of NaCl windows, drilled NaCl windows are available. Contact us for quotation.

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

  • Excellent Transmission from 250nm – 16µm
  • Low Cost
  • Ideal for FTIR Spectroscopy
  • Drilled windows available
  • Packing: All NaCl optics carefully packaged into plastic boxes with silicagel and sealed with special moisture protective film.
Cat# Dia, in Dia,mm TH, in TH, mm
NC-W-12.7-2 0.5 12.7 0.079 2.0
NC-W-12.7-3 0.5 12.7 0.079 3.0
NC-W-25.4-2 1 25.4 0.079 2.0
NC-W-25.4-3 1 25.4 0.118 3.0
NC-W-25.4-4 1 25.4 0.157 4.0
NC-W-25.4-5 1 25.4 0.197 5.0
NC-W-25.4-6 1 25.4 0.236 6.0
NC-W-30-4 1.18 30 0.157 4
NC-W-38.1-3 1.5 38.1 0.118 3.0
NC-W-38.1-4 1.5 38.1 0.157 4.0
NC-W-38.1-5 1.5 38.1 0.197 5.0
NC-W-38.1-6 1.5 38.1 0.236 6.0
NC-W-38.5x19.5x4 1.515x0.768 38.5x19.5 0.157 4.0
NC-W-45x20x6 1.772x0.787 45x20 0.236 6
NC-W-40-10 1.575 40 0.394 10.0
NC-W-50.8-1 2 50.8 0.039 1.0
NC-W-50.8-4 2 50.8 0.157 4.0
NC-W-50.8-5 2 50.8 0.197 5.0
NC-W-50-6 2 50.8 0.236 6.0
NC-W-63.5-6 2.5 63.5 0.236 6.0
NC-W-63.5-8 2.5 63.5 0.315 8.0
NC-W-76.2-8 3 76.2 0.315 8.0
NC-W-76.2-12 3 76.2 0.472 12.0
Custom NaCl windows up to 110mm diameter are available upon request.
NaCl windows: Standard Specifications
Material NaCl optical grade
Dimensions ± 0.00/-0.10mm
Thickness ± 0.10mm
Surfaces S/D: 80/50 (up to 40/20 on small diameters)
Edges Fine Ground
Flatness By request (up to 0.5 fringe on half inch diameter)
Parallelism ≤ 3 Arc mins

Sodium Chloride NaCl, common rock salt, is one of the most useful materials for general purpose spectroscopic windows and applications where sensitivity to moisture is unimportant.