This listing is for the sale of one (1) replacement window for an Ideal Vacuum Glass Vacuum Gas Cell with the following characteristics:

• Material: Potassium Bromide (KBr).
• Dimensions: 1.5" (38.1 mm) OD, 0.236" (6 mm) Thickness.
• Flat, No Wedge.

Potassium Bromide (KBr) Properties

Optical Transmission Range: 0.23 to 28 μm Refractive Index: 1.527 at 5 μm Reflection Loss: 8.3% at 10 μm Absorption Coef.: 3.0 x 10-6 cm-1 @ 1.06 μm Reststrahlen Peak: 77.6 μm

Chemical behavior of polished surfaces Climatic resistance class CR (n/a) (ISO/WD 13384) Acid resistance class SR (n/a) (ISO 8424) Alkali resistance class AR (n/a) (ISO 10629) Phosphate resistance class PR (n/a) (ISO 9689) Stain resistance class FR (n/a) Solubility: 53.48g/100g water at 20°C (Do NOT immerse in water.)