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50mm Dia. x 3mm Thickness Uncoated, Sodium Chloride Window

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Stock #68-819 3-4 days
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£173.35
Qty 1-10
£173.35
Qty 11+
£155.84
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Specifications

General

Type:
Protective Window

Physical & Mechanical Properties

Bevel:
Protective as needed
Diameter (mm):
50.00 ±0.50
Thickness (mm):
3.00 ±0.50
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
18.2
Poisson's Ratio:
0.252
Young's Modulus (GPa):
39.98

Optical Properties

Abbe Number (vd):
42.89
Coating:
Uncoated
Index of Refraction (nd):
1.544
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Sodium Chloride (NaCl)
Surface Quality:
60-40
Wavelength Range (nm):
250 - 16000

Material Properties

Coefficient of Thermal Expansion CTE (10-6/°C):
44
Density (g/cm3):
2.17
Solubility, in 100g of H2O @ 273K (g):
35.70

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 240:

Product Details

Sodium Chloride (NaCl) Windows are ideal for FTIR spectroscopy. 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. Sodium Chloride (NaCl) Windows, over this large spectral range, have an index of refraction that ranges between 1.4 - 1.6. It is hygroscopic by nature and thus samples should not contain water. The 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. 

Technical Information

Special Handling

These optics require special handling to avoid damage and ensure long-term performance. Proper handling, cleaning, and storage are essential to maintain optical quality. Explore our Optics Cleaning Resources for step-by-step guides and best practices. For personalized assistance, Email us or Chat with our technical support team.

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