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| Type | Breakdown voltage(V) | Volume resistivity | Temperature resistance | Flame retardant | |
| Average | Volume resistivity(Ω cm) | (Ω.cm) | |||
| 1.2KV | 1200 | 800 | 1011 | -40ºC~200ºC | |
| 1.5KV | 1500 | 1000 | UL1441 | ||
| 2.5KV | 2500 | 1800 | VW-1 | ||
| 4.0KV | 4000 | 3000 | |||
| Internal Diameter (mm) | Wall thickness (mm) | ||||
| Size | Tolerances | 1.2KV | 1.5KV | 2.5KV | 4.0KV |
| 0.5~2.5 | +0.20 | 0.18±0.10 | 0.18±0.10 | 0.20±0.10 | 0.35±0.10 |
| 3.0~4.5 | +0.30 | 0.23±0.10 | 0.24±0.10 | 0.26±0.10 | 0.40±0.10 |
| 5.0~6.0 | +0.40 | 0.28±0.10 | 0.28±0.10 | 0.30±0.10 | 0.45±0.10 |
| 7.0~8.0 | +0.50 | 0.40±0.10 | 0.40±0.10 | 0.42±0.10 | 0.55±0.10 |
| ≥9.0 | ≥+0.50 | 0.43±0.10 | 0.43±0.10 | 0.45±0.10 | 0.60±0.10 |
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