50mm Diameter x 1.1mm Thickness, Uncoated, BOROFLOAT® Window

Volume Pricing
Qty 1-5	A$54.80 each
Qty 6-25	A$43.20 each
Qty 26-99	A$40.00 each
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General

Type:

Protective Window

Physical & Mechanical Properties

Clear Aperture CA (mm):

45.00

Diameter (mm):

50.00 ±0.5

Thickness (mm):

1.10 ±0.2

Bevel:

Protective as needed

Clear Aperture (%):

≥90

Edges:

Ground

Poisson's Ratio:

0.20

Young's Modulus (GPa):

64

Knoop Hardness (kg/mm²):

480.00

Optical Properties

Coating:

Uncoated

BOROFLOAT^®

Index of Refraction (n_d):

1.472

Surface Quality:

80-50

Transmission (%):

90

Abbe Number (v_d):

65.41

Wavelength Range (nm):

350 - 2000

Surface Flatness (P-V):

4 - 6λ

Material Properties

Density (g/cm³):

2.23

Transformation Temperature (°C):

525

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

3.25 (+20 to +300°C)

Environmental & Durability Factors

Operating Temperature (°C):

1 hour @ 500; >100 hours @ 450

Resistance to Temperature Difference (K):

Short Term, 1 hr: 110K
1 - 100 hrs: 90K
Long Term, >100 hrs: 80K

Thermal Shock (K):

Up to 4mm Thick: 175K
4 - 6mm Thick: 160K
6 - 15mm Thick: 150K

50mm Diameter x 1.1mm Thickness, Uncoated, BOROFLOAT® Window

Specifications

General

Physical & Mechanical Properties

Optical Properties

Material Properties

Environmental & Durability Factors

Regulatory Compliance

Product Details

Technical Information

Accessories

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