eo_logo

CHAT     EMAIL

  • Country/Region

    • We have set your country/region to Singapore

      You can change this selection at any time, but products in your cart, saved lists, or quote may be removed if they are unavailable in the new shipping country/region.

      Select Your Country/Region

  • cart   
 
Products / Optics / Windows and Diffusers / Visible Windows / B270 Windows
See all 58 Products in Family
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

75mm Square Uncoated, B270 Window

×
Stock #48-415
×
Qty 1-5
S$134.08
Qty 6+
S$105.40
Volume Pricing
Request Quote
Abbe Number (vd):
58.3
Bevel:
Protective as needed
Clear Aperture CA (mm):
70.00 x 70.00
Dimensions (mm):
75.00 x 75.00
Thickness (mm):
3.00
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
9.4 (+20 to +300°C)
Density (g/cm3):
2.56
Edges:
Fine Ground
Index of Refraction nd:
1.523
Knoop Hardness (kg/mm2):
500
Poisson's Ratio:
0.22
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
B270
Surface Flatness:
1λ
Surface Quality:
60-40
Type:
Protective Window
Wavelength Range (nm):
360 - 2700
Young's Modulus (GPa):
71.5
Length (mm):
75.00
Width (mm):
75.00

Regulatory Compliance

RoHS 2015:
Compliant
×
Reach 219:
Compliant
×

Product Family Description

  • Large Selection of Sizes
  • Available Uncoated or with a MgF2 Anti-Reflection Coating
  • Custom Sizes Available for Volume OEM Requirements

TECHSPEC® B270 Windows are ideal for commercial applications requiring a thin substrate. Available uncoated or with a MgF2 Anti-Reflection coating, these windows are often used as a protective element between two environments. Custom sizes and coatings are available for OEM applications.

Title  Type Compare Stock Number  Price Buy
40mm Sq., Fixed Filter Holder Fixed #54-997 S$125.55
Qty 10+ S$113.46 Request Quote
  • 3-5 days
    ×
×