COMPOSITEK
FRP Tank Cover Systems |
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Physical Properties |
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Mechanical
Coupon |
Ultimate Tensile Strength |
ASTM D-638 |
30,000 PSI |
Tensile Modulus |
ASTM D-638 |
2.5 x 106 |
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ULT. Compressive Strength |
ASTM D-695 |
30,000 PSI |
Compressive Modulus |
ASTM D-695 |
2.3 x 106 |
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Ultimate Flexural Strength |
ASTM D-790 |
30,000 PSI |
Flexural Modulus |
ASTM D-790 |
1.6 x 106 |
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Sheer Strength Short Beam |
ASTM D-2344 |
4,500 PSI |
Impact Strength - Izod |
ASTM D-256 |
25 Ft-lbs/in |
Hardness - Barcol |
ASTM D-2583 |
50 |
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The above is based on results
achieved in the tests indicated and reflect longitudinal
direction data. This is provided for informational purposes
only. |
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Mechanical - Full Section
Bending |
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Modulus of Elasticity |
2.5 x 106 PSI |
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Other Properties |
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Thermal Coefficient of Expansion |
ASTM-D 149 |
5 x 10-6 in/in/C |
Water Absorption 24 hours |
ASTM-D 570 |
0.6% max |
Density |
ASTM-D 792 |
0.0656 lbs/in3 |
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Temperature Effects |
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Reinforced
composites experience loss of strength when under continuous
exposure to elevated temperature.
Under these conditions, the following factors will be applied
to stress and modulus properties during design. |
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