← Back to Articles

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)
CrazingNone
DicolorationNone
WarpingNone
UnmoldingNone
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
Was this article useful to you?
Share

Information disclaimer:

The information contained in this article is for general information purposes only. The information is provided by United States Plastic Corp. and while we endeavor to keep the information up to date and correct, we make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with respect to the website or the information, products, services, or related graphics contained on the website for any purpose. Any reliance you place on such information is therefore strictly at your own risk.

In no event will we be liable for any loss or damage including without limitation, indirect or consequential loss or damage, or any loss or damage whatsoever arising from loss of materials, time or profits arising out of, or in connection with, the use of this information.