UNIT | ASTM | PC | PPS | RENY | PEEK | PP | PTFE | PFA | PVDF | POM | PA6 | PA66 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Volume resistance | Ω•cm | D257 | 4x1016 | 1x1016 | 1.3x1016 | 4.9x1016 | 1x1016 | >1018 | >1018 | 1015~ 1016 |
1x1014 | 1013~ 1014 |
1x1015 |
Insulation breakdown strengh | (KV/ mm) |
D149 | 17 | 15 | 32.2 | 16 | - | 19.2 | 20 | 300 MV/mm |
19 | 37 | 20 |
Board thickness | 3mm | 3mm | 1mm | 2.5mm | - | 1.8mm | 3.2mm | 34µm | 3mm | 1mm | 3mm | ||
Arc resistance | sec | D495 | 120 | 120 | 129 | 23 | - | >300 | >300 | - | 240 | 195 | 118 |
Permittivity(106Hz) | D150 | 2.9 | 4.6 | 4.0 | 3.3 | - | <2.1 | <2.1 | 10 | 3.7 | 3.0 | 3.3 | |
Dielectric tangent (106Hz) | D150 | 0.0090 | 0.0020 | 0.0090 | 0.0030 | - | 0.0002 | 0.0003 | 0.0150 | 0.0070 | 0.0200 | 0.0200 |