| Application: | High-voltage, High-temperature |
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| Material: | Composite Polymer |
| Structure: | Post Insulator |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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| Rated Voltage (kV) |
Height (mm) |
Creepage Distance (mm) |
Specified Cantilever Load (SCL) |
End Fittings | Power Frequency Withstand Voltage (Wet/Dry) (kV) |
Lightning Impulse Withstand Voltage (kV) |
| 27.5 | 548±4 | 1550 | 4kN | Stud hole | 80/85 | 185 |
| Item | Requirement | Measured Valued |
| Visual examination | Fuchsine, grey or white, no obvious mechanical admixture. Vulcanized silicon rubber with dense and smooth cutting surface. | Ok |
| Hardness (shore A) | ≮50 | 65~70 |
| Tensile strength (Map) | ≮4 | 4~6 |
| Failure elongation (%) | ≮150 | ≮180 |
| Tearing strength (kN/m) | ≮10 (right angle sample) | 12~15 |
| Volume resistivity (Ω.m) | 1X1012 | 3~8X1012 |
| Puncture strength (kV/mm) | Alternating current ≮22 | ≮30 |
| Tracking and erosion | TMA4.5,erosion depth≯2.5mm | TMA4.5, erosion depth <0.8mm |
| Flammability (Grade) | FV-0 | FV-0 |
STANDARDS:
IEC 61952, ISO 9001, ISO 45001, ISO 14001, etc. We can design products in accordance with Client's Requirements.
Suppliers with verified business licenses
Audited Supplier 
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