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See all 8 Products in Family

32mm Dia. x 3mm Thickness Uncoated, Sodium Chloride Window

Stock #68-818

S$100.75

Qty 1-10
S$100.75

Qty 11
S$90.67

Volume Pricing
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Abbe Number (v_d):

42.89

Diameter (mm):

32.00

Dimensional Tolerance (mm):

±0.50

Thickness (mm):

3.00

Coating:

Uncoated

Coefficient of Thermal Expansion CTE (10^-6/°C):

Density (g/cm³):

2.17

Index of Refraction n_d:

1.544

Knoop Hardness (kg/mm²):

18.2

Poisson's Ratio:

0.252

Solubility, in 100g of H₂O @ 273K (g):

35.70

Substrate:

NaCl

Surface Quality:

60-40

Thickness Tolerance (mm):

±0.50

Type:

Protective Window

Wavelength Range (μm):

0.25 - 16

Wavelength Range (nm):

250 - 16000

Young's Modulus (GPa):

39.98

Regulatory Compliance

RoHS 2015:

Compliant

Reach 209:

Compliant

Product Family Description

Excellent Transmission from 250nm – 16μm
Low Cost
Ideal for FTIR Spectroscopy
Potassium Bromide (KBr) Windows Also Available

Sodium Chloride (NaCl) is a material commonly used in FTIR spectroscopy. NaCl is a relatively low cost cubic crystalline material that has excellent transmission from 250nm – 16μm. Over this large spectral range, its index of refraction ranges between 1.4 - 1.6. It is hygroscopic by nature and thus samples should not contain water. Sodium Chloride windows are sensitive to thermal shock but can be used in temperatures up to 400°C. NaCl has a density of 2.17 g/cm³ and a Knoop Hardness of 18.2.

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