Product added to cart
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

50 x 50mm High-Temperature Linear Polarizing Film (XP40HT-40)

High-Temperature Linear Polarizing Film (XP40HT)

High-Temperature Linear Polarizing Film (XP40HT)

Stock #19-031 Clearance 10 to 12 days
- +
Qty 1-10
Qty 11+
Volume Pricing
Request Quote
Get Product Downloads
Uncoated, Protective Film on Both Sides
Extinction Ratio:
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Length (mm):
Dimensions (mm):
50.0 x 50.0
Thickness (mm):
0.40 ±0.05
Transmission (%):
Single: 40 ±2
Parallel: 32.2
Crossed: <0.005
Linear Polarizer
Dimensional Tolerance (mm):
Polarizing Film
Polarization axis can be identified as follows:
Circular Parts - Parallel to direction of notch on polarizer
Square Parts - Parallel to mark on protective film
Rectangular Parts - Parallel to first listed dimension
Wavelength Range (nm):
400 - 700
Polarization Efficiency (%):
Heat Resistance (°C x Hours):
100 x 1,000
Width (mm):
Cold Resistance (°C x Hours):
-40 x 1,000
Humidity Resistance (°C x Hours):
80 x 90% RH x 1,000
Transmission, Single (%):
40 ±2
Transmission, Parallel (%):
Transmission, Crossed (%):
Transmission Variance after 1000 Hours (%):

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 235:

Product Family Description

  • High-Temperature Resistance Compared with Common Polarizing Films
  • Extinction Ratio of 5000:1
  • High Transmission of Unpolarized Light from 400 - 700nm
  • Custom Sizes Available

TECHSPEC® High-Temperature Linear Polarizing Film (XP40HT) provides a significantly better temperature resistance of 100°C over 1000 hours compared to common linear polarizing films. These polarizers feature a high extinction ratio, excellent polarization efficiency, and exceptional transmission in the visible spectrum from 400 to 700nm. A variety of standard sizes from 25 x 25mm to 600 x 1000mm are available with custom sizes available on request. TECHSPEC High-Temperature Linear Polarizing Film (XP40HT) is especially well suited for applications where higher temperatures are unavoidable including photography using illumination systems or in harsh environments, 3D projection systems, and optical inspection systems.

Note: Remove protective liner from both surfaces before first use. Polarizer Film with adhesive available. 

Immediate Custom Quotes Available

If you have a need for any round, square, or rectangular size of a TECHSPEC High-Temperature Linear Polarizing Film (XP40HT) in dimensions between 3mm and 600mm, please visit our Polarizing Film Tool.  We’ll provide an immediate quote, and can deliver the part to your requested size in approximately 3 weeks.  A full list of standard manufacturing tolerances and restrictions are listed.  For fully customized polymer polarizers to your requirements, visit our Customized Polymer Polarizers Capabilities page.

Sales & Expert Advice
or view regional numbers
enter stock numbers to begin