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Physical Properties for Clear Extruded Acrylic Shapes

Clear Extruded Acrylic Shapes

PropertyTest ConditionsPlexiglass
Refractive Index, nDASTM D-5421.49
Specific GravityASTM D-7921.18
Tensile StrengthASTM D-638 1/4" specimen (0.2"/min) Max psi9,600
Tensile Modulus410,000
Flexural StrengthASTM D-790 Span-depth ratio 16 (0.1”/min) Max psi15,000
Compressive StrengthASTM D-695 (0.2"/min) Max psi14,500
Impact StrengthASTM D-256 Izod molded Notch (per inch of notch) ft lbs0.4
Rockwell HardnessASTM D-785M-89
Light TransmissionASTM D-1003
"As Received"Total white, %92
Effect of Accelerated Weathering on appearance of Clear MaterialFed. Test Std 406. Test Method 6024
(240 hours)
Deflection TemperatureASTM D-648
Under Load, Unannealed3.6° F/min., 264 psi176°F
Dielectric StrengthASTM D-149 Volts/mil500
Dielectric ConstantASTM D-150, 60Hz3.7
FlammabilityASTM D635 burning rate in/min0.6
Water AbsorptionASTM D-570
Wt. gain on 24 hours water immersion 0.3
Dimensional change on immersion, % None

Property values reflect typical average values and are provided as a general guide only, not for design purposes.

Title: Physical Properties for Clear Extruded Acrylic Shapes
Description: Physical, Mechanical, Electrical and Thermal Typical Properties.
Published: 2/3/2009
Last Edited: 1/6/2023
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