Physical Properties for Clear Extruded Acrylic Shapes

Clear Extruded Acrylic Shapes
Square Tubing, Square Rod, Triangle Rod, Half Round RodZ Bar, and J Bar

Property

Test Conditions

Plexiglass

Refractive Index, nD

ASTM D-542

1.49

Specific Gravity

ASTM D-792

1.18

Tensile Strength

ASTM D-638 ¼” 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

Dicoloration

Warping

Unmolding

 

 

None

None

None

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

Dimensional change on immersion, %

 

0.3

None

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

Article Title:
Physical Properties for Clear Extruded Acrylic Shapes
Article Summary:
Physical, Mechanical, Electrical and Thermal Typical Properties.
Article Date:
2/3/2009
Article ID:
554
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