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READ MOREIn modern vehicle manufacturing, the electrical system acts as the vehicle's nervous system, and wires certified by UL (Underwriters Laboratories) are the cornerstone of its safe operation. UL-standard automotive wire not only represents internationally recognized levels of flame retardancy and electrical safety but also serves as a critical entry requirement for the global supply chain. Jiangsu Silver & Tin Thread Hi-temperature Wire and Cables Co., Ltd. is dedicated to the R&D of UL-compliant high-temperature automotive hook-up wires, specifically designed for the demanding environments found in engine compartments, sensor systems, and new energy battery packs.
When selecting connection wires, automotive engineers prioritize insulation stability under extreme temperature fluctuations. Our "Yuanzhi" brand UL automotive wires utilize specialized Fluoroplastics (FEP/PFA/ETFE), capable of long-term operation in temperature ranges from -60°C to +250°C. This far exceeds the heat resistance of standard automotive wires, ensuring the electrical system remains reliable throughout the vehicle's entire lifecycle.
UL-compliant automotive wires are defined by specific style numbers that dictate their material properties and application scope:
| UL Style | Insulation Material | Temp / Voltage | Automotive Application |
|---|---|---|---|
| UL 1330 | FEP (Fluoroplastic) | 200°C / 600V | Engine Control Units (ECU) |
| UL 1332 | FEP (Fluoroplastic) | 200°C / 300V | Sensors & Dashboard Wiring |
| UL 10362 | PFA (Fluoroplastic) | 250°C / 600V | Turbocharger & Exhaust Sensing |
| UL 1514 | Silicone Rubber | 150°C / 600V | Ignition Cables & Flexible Links |
At Jiangsu Silver & Tin Thread, we optimize every key metric of our UL automotive wires to meet the specialized needs of the vehicle industry:
Automotive interiors are filled with fuel, lubricants, coolants, and brake fluids. Standard wires often harden and crack under long-term exposure to these fluids. Our Fluoroplastic UL wires possess near-perfect chemical inertness, blocking fluid penetration to prevent short circuits and significantly extending maintenance intervals.
Safety is the bottom line. Our UL automotive wires have all passed the rigorous UL VW-1 Vertical Flame Test. In the event of a fire, the insulation does not easily ignite and does not release toxic, heavy smoke, buying precious time for passenger evacuation and fire suppression.
Founded in 1994, Jiangsu Silver & Tin Thread Hi-temperature Wire and Cables Co., Ltd. has focused on high-temperature specialty cable R&D for over 30 years. We are IATF 16949 and ISO9001 certified, ensuring our manufacturing processes meet the stringent requirements of the world's leading automotive OEMs.
Our UL automotive wire series comply with UL, CE, CCC, and RoHS international certifications. Every reel undergoes strict insulation endurance and aging tests before leaving the factory. Backed by global insurance from PICC, we provide a solid safety foundation for every journey.
UL certification is a globally recognized safety endorsement, ensuring wires won't ignite or leak electricity under specific loads. For automakers, it is a necessary measure to comply with international regulations and mitigate product recall risks.
Temperature and Size. Fluoroplastic wires (e.g., UL 1330) resist heat up to 200°C+, whereas PVC wires usually cap at 105°C. Furthermore, Fluoroplastic’s high dielectric strength allows for thinner insulation, reducing wire harness volume and weight—perfect for automotive lightweighting.
Yes. Modern automotive standards require wires to be RoHS and REACH compliant, meaning they are free of hazardous heavy metals like lead and mercury. Our wires meet these green regulations while maintaining high performance.