| Customization: | Available |
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| Breakdown Strength: | 20 Kv/mm |
| Tensile Strength: | 4MPa |
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Self-locking silicone overhead line cover is made of high quality silicone rubber material, with excellent electrical, anti-leakage marking performance, excellent weather resistance, high mechanical properties, with hydrophobic and hydrophobic migration characteristics, high and low temperature resistance is extremely excellent. It is convenient and simple to install, saves labor and time, and is used for insulation protection of cables and wires, and increases the safe distance between objects and cables/ wires.
FEATURE
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TECHNICAL CHARACTERISTICS:
| Item | Typical value | Test method |
| Electrical Strength Test | ≥20kV/mm | GB/T 1408.1-2006 |
| Volume Resistivity | ≥1×1014Ω·cm | GB/T 1410-2006 |
| Dielectric Constant | 2~3 | GB/T 1409-2006 |
| Shore Hardness | 70±5A | GB/T 531 |
| Mechanical Properties before heat ageing | ||
| Tensile Strength | ≥4.0MPa | GB/T 528 |
| Elongation at break | ≥200% | GB/T 528 |
| After Heat ageing(180ºC, 7d) | ||
| Tensile Strength Change | ±30% | GB/T 528 |
| Elongation Change | ±30% | GB/T 528 |
| Low Temperature Elongation(-15ºC, 2h) | ≥20% | GB/T 2951.4-1997 |
| Low Temperature Flexibility(-50ºC, 4h) | No crack | UL224-2004 |
| High Temperature Crack Resistance(155ºC, 2h) | No crack | GB/T2951.6-1997 |
| Nominal cross-sectional area(mm²) | Nominal outside diameter(mm) | Specifies the specifications of the insulation bushing(mm) |
| 16 | 5.10 | Ф 8 |
| 25 | 6.45 | Ф 10 |
| 35 | 7.50 | Ф 10 |
| 50 | 9.00 | Ф 12 |
| 70 | 10.80 | Ф 14 |
| 95 | 12.50 | Ф 16 |
| 120 | 14.25 | Ф 18 |
| 150 | 15.75 | Ф 20 |
| 185 | 17.50 | Ф 22 |
| 240 | 20.00 | Ф 24 |
| 300 | 22.40 | Ф 28 |
| 400 | 25.90 | Ф 32 |
| 500 | 29.12 | Ф 35 |
| Voltage Rate | ≤10kV | ≤35kV | ≤110kV | ≤220kV |
| Wall thickness | 2.0±0.3mm | 2.6±0.4mm | 4.0±0.5mm | 6.0±1.0mm |
Suzhou Volsun Electronics Technology Co.,Ltd. was founded in 2006. We keep focusing on the R&D, production and sales in insulation, sealing & protection solutions for over 17 years.
Quality is our culture. Volsun has a modern quality management system, which has passed a series of quality system certification such as IATF16949, ISO9001 etc. And we have gained some advanced titles such as Jiangsu famous scientific and technical corporation, China new high-tech enterprise etc. have independent intellectual property rights, 88 patents and 97 product certifications.
Up to now, Volsun cooperated with customers from 88 countries, we offer suitable sealing, waterproof solutions for some well-know enterprises in communication,Automobile, Power industry etc.
| Trade terms | FOB, EXW, CIF, DDU, DDP, CFR |
| Payment terms | T/T, L/C, Negotiable |
| MOQ | 100 |
| Supply capability | 100000 mts per month |
| Lead time | usually 2-3 working days |
| Shipment | Express, Air, Sea |
| Port | Shanghai, Ningbo, Shenzhen |
| Sample availability | Yes |
| Sample time | usually 1-3 days |
| Packaging |
Normal: Plastic bag & Carton & Pallet Special: Customized packing |
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