The automotive industry is rapidly evolving, with increasing electrification demanding high-performance cable compounds. Low-voltage automotive cable compounds play a crucial role in ensuring safety, durability, and efficiency in vehicle electrical systems.
ULJ-105EV 105℃ Cold-Resistant -40℃ UL Standard Electric Vehicle Charging Cable Insulation Compound
Low-voltage cables (typically below 60V) are used in lighting, sensors, infotainment, and other internal systems. Their compounds must meet:
Thermal Resistance: Withstand -40°C to 125°C
Flame Retardancy: Comply with UL 1581, ISO 6722
Flexibility & Abrasion Resistance: For tight routing in vehicles
Chemical Resistance: Resist oils, fuels, and coolants
| Property | Low-Voltage Cable Compound | High-Voltage Cable Compound | External Charging Cable Material |
|---|---|---|---|
| Voltage Range | < 60V | 60V - 1000V | Up to 1000V (DC Fast Charging) |
| Temperature Range | -40°C to 125°C | -40°C to 150°C | -40°C to 150°C (with cooling aids) |
| Flame Retardancy | UL 1581, ISO 6722 | LV 112-2, ISO 19642 | IEC 62196, UL 62 |
| Flexibility | High | Moderate (thicker insulation) | High (requires bend durability) |
| UV/Weather Resistance | Not critical (internal use) | Moderate | High (outdoor exposure) |
Unlike internal low-voltage cables, external EV charging cables face harsher conditions:
UV & Weather Resistance: Must endure sunlight, rain, and extreme temperatures.
High Voltage Handling: Up to 1000V for fast-charging stations.
Mechanical Durability: Frequent bending and abrasion resistance.
Common materials include:
Cross-Linked Polyethylene (XLPE) – Excellent insulation for high voltage.
Thermoplastic Elastomers (TPE) – Balances flexibility and weather resistance.
Chlorinated Polyethylene (CPE) – Good flame retardancy and oil resistance.
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