Name: 10mm Diameter x 1.1mm Thickness, Uncoated, BOROFLOAT® Window
Brand: TECHSPEC
SKU: 39-271
Price: $21.50

10mm Diameter x 1.1mm Thickness, Uncoated, BOROFLOAT® Window

TECHSPEC BOROFLOAT Borosilicate Windows

Stock #39-271 Other Coating Options

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$21.50

Qty 1-5
$21.50

Qty 6+
$18.30

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Abbe Number (v_d):

65.41

Bevel:

Protective as needed

Clear Aperture (%):

≥90

Clear Aperture CA (mm):

9.00

Diameter (mm):

10.00 ±0.5

Thickness (mm):

1.10 ±0.2

Coating:

Uncoated

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

3.25 (+20 to +300°C)

Density (g/cm³):

2.23

Edges:

Ground

Index of Refraction n_d:

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

BOROFLOAT^®

Surface Flatness (P-V):

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 (%):

Type:

Protective Window

Wavelength Range (nm):

350 - 2000

Young's Modulus (GPa):

Type of Window:

Glass

Regulatory Compliance

RoHS 2015:

Compliant

Certificate of Conformance:

View

Reach 233:

Compliant

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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