Standard Product Comparison for Polycarbonate, Acrylic, and Glass.

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 10-5 in/in/°F

4.10 X 10-5 in/in/°F

5.0 X 10-6 in/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

Article Title:
Standard Product Comparison for Polycarbonate, Acrylic, and Glass.
Article Summary:
Properties comparison for Polycarbonate, Acrylic, and Glass.
Article Date:
3/9/2009
Article ID:
565
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