Materials XX and XXX
XX, XXX Material Product Description
XX/ XXX – Laminate sheet comprised of a phenolic resin and a high alpha saturating paper substrate. It qualifies to NEMA XX/XXX and MIL-I-24768/10/11.
Typical Applications
This material has excellent machining characteristics, low moisture absorption and excellent dimensional stability. It is used in switchgear, relay spacers, power transformer insulating applications as well as numerous mechanical areas.
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| Typical Properties | Typical Value | Units |
| Physical Data | ||
| Specific Gravity | 1.34 | |
| Water Absorption-.125″ | < 0.9 | % |
| Temperature Index | 140 \ 284 | °C \ °F |
| Rockwell Hardness | 110 | M scale |
| Bond Strength | > 950 \ 431 | LBS \ kgs |
| Flexural Strength-LW-A-.125″ | > 18,000 \ 124 | PSI \ MPa |
| Flexural Strength-CW-A-.125″ | > 16,000 \ 110 | PSI \ MPa |
| Izod Impact Strength-LW | > .50 | ft-lbs/in |
| Izod Impact Strength-CW | > .40 | ft-lbs/in |
| Compressive Strength-Flatwise | > 32,000 \ 221 | PSI \ MPa |
| Electrical Data | ||
| Dielectric Breakdown-A | > 50 | kV |
| Dielectric Breakdown-D48/50 | > 6.0 | kV |
| Permittivity-A | < 5.30 | |
| Permativity-D24/23 | < 5.70 | |
| Dissipation Factor-A | < .038 | |
| Dissipation Factor-D24/23 | < .045 |
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