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| NEMA CE is an economy grade mechanical/electrical insulation that possesses good low frequency, low voltage electrical performance. It is used for gears, pinions, bearings, bushings, electronic parts, and marine switchboard panels. |
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A mechanical/electrical grade of medium weave cotton cloth laminate impregnated and cured with phenolic resin. |
Sheet sizes 36 x 72, 36 x 48, 48 x 48, 48 x 96, and 48 x 108 in thicknesses .031 in. to 6 in.; cut and fabricated per drawing . |
Natural |
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Density |
90 lbs/ft3 - .050 lbs/in3 |
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Maximum operating temperature |
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electrical |
239° F (115° C) |
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mechanical |
257° F (125° C) |
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Water absorption |
1.1% |
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Hardness (Rockwell M) |
105 |
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Compressive strength |
37,000 psi |
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Tensile strength |
13,000 psi |
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Flexural strength |
19,000 psi |
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Shear (flatwise) |
10,000 psi |
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Impact strength - Izod edgewise with grain |
1.8 ft-lb/in |
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Dielectric strength |
200 vpm |
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Dielectric constant (@ 106 cycles per second) |
n/a |
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Volume resistivity |
n/a |
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Arc resistance |
n/a |
