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Standard Product Comparison for Polycarbonate, Acrylic, and Glass.

Property	Polycarbonate	Acrylic	Glass
Impact Resistance	Drop Ball Test, 0.5 lb	No Break	1.75 ft-lbs	0.7 ft-lbs
Cold Bend	Bend Radius	100 X material thickness	180 X material thickness	Not Possible
Sheet Weight	0.125"	0.78 lb/ft²	0.75 lb/ft²	1.60 lb/ft²
Thermal Expansion Rate	-	3.75 x 10^-5in/in/°F	4.10 x 10^-5in/in/°F	5.0 x 10^-6in/in/°F
Shading coefficient	0.25" clear sheet	1.02	1.01	1.03
U-Factor-Summer U-Factor-Winter	0.25"	0.83 btu/HR-FT²—°F 0.91 btu/HR-FT²—°F	0.83 btu/HR-FT²—°F 0.91 btu/HR-FT²—°F	0.92 btu/HR-FT²—°F 1.02 btu/HR-FT²—°F
Sound Transmission Class	0.25"	31	30	27

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Title: Standard Product Comparison for Polycarbonate, Acrylic, and Glass.
Description: Properties comparison for Polycarbonate, Acrylic, and Glass.
Published: 3/9/2009
Last Edited: 1/13/2023

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