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Plexiglas® P55 cell cast acrylic sheet is manufactured to meet the requirements of MIL-PRF-8184F, Type I and II, Class 1. Typical markets include general aviation and militart aircraft. Applications include aircraft canopies, instrument panels, and lens covers. It is available in thicknesses ranging from 0.125″ to 2.00″.

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Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

Sheet 0.125″ – 2.00″ Made to Order Clear
Other Shapes

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.


Physical PropertiesUnitsASTMResults
Density g/cm³ D792 1.19
Mechanical PropertiesUnitsASTMResults
Tensile Strength @ yield psi D638 11600
Tensile Modulus MPa D638
Tensile Elongation @Break % D638 3.5
Flexural Strength MPa
Flexural Modulus psi
Compressive Strength psi D695
IZOD Impact Strength Notched kJ.m² D256
Thermal PropertiesUnitsASTMResults
Coeffcient of Linear Thermal Expansion x10⁻⁵/K C177
Heat Deflection Temp at 264 psi °F
Electrical PropertiesUnitsASTMResults
Surface Resistivity @60 Hz ohms/sq D257
Volume Resistivity, 50% RH ohm-cm D250
Optical PropertiesUnitsASTMResults
Luminous Transmittance % D1003 92.5
Refractive Index % D542 1.49


  • General aviation
  • Military aircraft


  • Can be used alone or as a laminate
  • Can be easily fabricated and thermoformed
  • Lightweight – Half the weight of glass
  • Weather resistant
  • Excellent light transmissions and optical clarity


NOTE: Several grades of this material are available. For additional information regarding this plastic, contact your Emco Industrial Plastics representative or call 973-862-4148.

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