Physical Properties for Clear Extruded Acrylic Shapes

Clear Extruded Acrylic Shapes

Property	Test Conditions	Plexiglass
Refractive Index, nD	ASTM D-542	1.49
Specific Gravity	ASTM D-792	1.18
Tensile Strength	ASTM D-638 1/4" specimen (0.2"/min) Max psi	9,600
Tensile Modulus		410,000
Flexural Strength	ASTM D-790 Span-depth ratio 16 (0.1”/min) Max psi	15,000
Compressive Strength	ASTM D-695 (0.2"/min) Max psi	14,500
Impact Strength	ASTM D-256 Izod molded Notch (per inch of notch) ft lbs	0.4
Rockwell Hardness	ASTM D-785	M-89
Light Transmission	ASTM D-1003
"As Received"	Total white, %	92
Effect of Accelerated Weathering on appearance of Clear Material	Fed. Test Std 406. Test Method 6024
	(240 hours)
	Crazing	None
	Dicoloration	None
	Warping	None
	Unmolding	None
Deflection Temperature	ASTM D-648
Under Load, Unannealed	3.6° F/min., 264 psi	176°F
Dielectric Strength	ASTM D-149 Volts/mil	500
Dielectric Constant	ASTM D-150, 60Hz	3.7
Flammability	ASTM D635 burning rate in/min	0.6
Water Absorption	ASTM 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.

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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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