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 |