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| GPO-1 is an economy grade, rigid fiberglass reinforced plastic material used for general purpose electrical and/or mechanical applications where low cost is desired. |
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A fiberglass mat reinforced thermoset polyester molded material. |
1/32 to 2 in. thicknesses in sheets 36 x 72, 48 x 96, or 48 x 60, cut and fabricated per drawing . |
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Density |
116 lbs/ft3 - .067 lbs/in3 |
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Maximum operating temperature |
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electrical |
320° F (160° C) |
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mechanical |
266° F (130° C) |
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Water absorption |
0.3 - 0.6% |
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Compressive strength ASTM D-695 |
30,000 - 38,900 psi |
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Tensile strength ASTM D-638 |
9400 - 10,000 psi |
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Flexural strength ASTM D-790 |
22,300 - 23,000 psi |
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Impact strength ASTM D-256 |
8.0 Izod ft-lbs/in notch |
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Thermal conductivity ASTM D-177 |
1.8 BTU/hr/ft2/in° F |
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Coefficient of therm expansion ASTM D-696 |
2.2 x 10-5in/in/° C |
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Arc resistance |
127 - 150 sec |
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