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 |
 |
| Paper/Phenolic rod | Cotton/Phenolic rod | Glass/Epoxy rod |
| Size Standard diameter & tolerance |
| Test items | Unit | Treatment | PB-1111 | PB-2121 | EB-3030 |
| JIS (ANSI) | PB-PEV | PB-FLE | EB-GEM | ||
| Base material | Paper | Cotton | Glass fabric | ||
| Resin | Phenolic | Epoxy | |||
| Electrical strength (Vertical to layer 1 min. in oil) |
MV/m | C-90/20/65 | 8 | 6 | 6 |
| Breakdown voltage (Dissipation factor 1 min. in oil) |
MV/m | 9～14 | 10～25 | 10～16 | |
| Electrical strength (Parallel to layer 1min. in oil ) |
kV/15mm | - | - | - | |
| Breakdown voltage (Parallel to layer 1min. in oil) |
- | - | - | ||
| Insulation resistance | MΩ | 3×103～1×104 | 3×103～1×104 | 1×105～1×106 | |
| Dielectric constant(60Hz) | - | - | - | - | |
| Dissipation factor(60Hz) | - | - | - | - | |
| Flexural strength (Vertical to layer) |
MPa | A | 147～196 | 137～176 | 294～392 |
| Flexural modulus (Vertical to layer) |
- | - | - | ||
| Compressive strength (Parallel to layer) |
157～196 | 167～216 | 196～294 | ||
| Tensile strength (Parallel to layer) |
- | - | - | ||
| Cleavage strength | kN | - | - | - | |
| Appearnce after 2hours heat treatment |
℃ | 130℃ OK | 140℃ OK | 180℃ OK | |
| Water absorption | % | E-24/50+D-24/23 | 0.3～0.8 | 0.5～1.3 | 0.2～0.6 |
| Specific gravity | - | A | 1.34～1.40 | 1.35～1.40 | 1.77～1.82 |
*Test method : JIS K-6911
*Treatment condition
A=Accept state, C=Constant Temperature and humidity , D=Dipping in water E=Electric heating , O=Oil dipping
Starting from the left figures show Time(h)/Temeperature(℃)/Humidity(%)
※The above figures do not show guaranteed value but one of test results .
