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50 x 50mm 38% Transmission Linear Polarizing Film (XP38)

Stock #20-239 In Stock
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Extinction Ratio:
Up to 7,500:1
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Operating Temperature (°C):
-20 to +70
Dimensions (inches):
1.97 x 1.97
Dimensions (mm):
50.0 x 50.0
Thickness (inches):
0.007 ±0.001
Thickness (mm):
0.19 ±0.02
Transmission (%):
Single: 38.5 ±2
Parallel: 30.1
Crossed: <0.004
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):
70 x 240
Humidity Resistance (°C x Hours):
40 x 95% RH x 240
Transmission Variance after 1000 Hours (%):

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 235:

Product Family Description

  • 38% Transmission of Unpolarized Light from 400 – 700nm
  • Extinction Ratio of up to 7500:1
  • Excellent Cost to Performance Ratio

Commercial Grade Visible Linear Polarizing Film (XP38) is a high quality, neutral gray polymer polarizing film that provides a balance between high transmission and high extinction ratio. Offering 38% transmission of unpolarized light and an extinction ratio up to 7500:1 in the visible spectrum, this polarizing film is ideal for a range of imaging, microscopy and display applications. Available in sheets up to 600 x 900mm, Commercial Grade Visible Linear Polarizing Film (XP38) can be cut to fit any application need.

Note: The transmission axis is parallel to the first dimension listed.