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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

50 x 50 x 3.3mm Thickness, Uncoated, BOROFLOAT® Window

TECHSPEC BOROFLOAT Borosilicate Windows

TECHSPEC BOROFLOAT Borosilicate Windows

TECHSPEC BOROFLOAT Borosilicate Windows TECHSPEC BOROFLOAT Borosilicate Windows
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Stock #48-543
Qty 1-5
S$43.40
Qty 6+
S$34.10
Volume Pricing
Request Quote
Abbe Number (vd):
65.41
Bevel:
Protective as needed
Clear Aperture (%):
≥90
Clear Aperture CA (mm):
45.00 x 45.00
Dimensions (mm):
50.00 x 50.00
Thickness (mm):
3.30 ±0.2
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
3.25 (+20 to +300°C)
Density (g/cm3):
2.23
Edges:
Seamed
Index of Refraction nd:
1.472
Knoop Hardness (kg/mm2):
480
Operating Temperature (°C):
1 hour @ 500; >100 hours @ 450
Poisson's Ratio:
0.2
Resistance to Temperature Difference (K):
Short Term, 1 hr: 110K
1 - 100 hrs: 90K
Long Term, >100 hrs: 80K
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Flatness:
4 - 6λ
Surface Quality:
80-50
Thermal Shock (K):
Up to 4mm Thick: 175K
4 - 6mm Thick: 160K
6 - 15mm Thick: 150K
Transformation Temperature (°C):
525
Transmission (%):
90
Type:
Protective Window
Wavelength Range (nm):
350 - 2000
Young's Modulus (GPa):
64
Length (mm):
50.00
Width (mm):
50.00

Regulatory Compliance

RoHS 2015:
Reach 211:

Product Family Description

  • Low Coefficient of Thermal Expansion
  • Visible to Near Infrared Transmission
  • High Resistance to Thermal Shock

BOROFLOAT® Borosilicate Windows are ideal for high temperature and harsh environment applications. Unlike common borosilicate that is drawn flat, BOROFLOAT® is produced by a float technique that yields superior surface flatness — typically 4 - 6λ per inch. BOROFLOAT® is about three times more resistant to thermal shock than standard soda lime glass.

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