NEMA XX is a good electrical insulator with fair mechanical strength. It can be used in dry or humid conditions for switchboard panels, relay and switch bases, breaker arms and barriers.
Sheet Sizes: 36"x48"; 36"x72"; 48"x48"; 48"x96"; 48"x108"
Thickness: 0.031" to 2"
Color: Natural & Black
Specifications
| Density | 83 pcf / 0.48 pci |
| Maximum operating temperature | |
| - electrical | 284ºF (140ºC) |
| - mechanical | 284ºF (140ºC) |
| Water absorption | 0.5% |
| Hardness (Rockwell M) | 100 |
| Compression strength | 30,000 psi |
| Tensile strength | 13,500 psi |
| Flexural strength | 17,000 psi |
| Shear (flatwise) | 10,000 psi |
| Impact strength – Izod edgewise with grain | 0.55 ft-lb/in |
| Dielectric strength | 500 volts/mil |
| Dielectric constant (1,000,000 cycles/second) | 4.6 |
| Volume resistivity | 400,000 |
| Arc resistance | n/a |
| Parallel dielectric | 60kv |