High Temperature Silicone Wire Cable (4AWG to 10AWG) – Ultra Flexible Power for Demanding Automotive & Battery

Product Overview:

Engineered for extreme environments, our Ultra Soft High Temperature Silicone Wire delivers unmatched flexibility and thermal resilience in high-current applications. Ideal for automotive wiring, battery systems, and EV/motor connections, this premium silicone-insulated cable ensures reliable power transmission where standard cables fail.


Key Features & Technical Specifications

  1. Conductor:

    • Material: High-purity finely stranded copper

    • Stranding: Ultra-fine 0.08mm strands

    • Construction: Multi-stranded for superior bend radius and vibration resistance

  2. Insulation:

    • Material: Premium silicone rubber

    • Temp Range: -60°C to +200°C

    • Dielectric Strength: AC 600V / DC 3000V

    • Properties: Flame-retardant, oil/ozone/chemical resistant


Detailed Specifications Table

AWG Conductor Construction Cross-Section (mm²) Conductor Diameter (mm) Insulation Thickness (mm) Overall Diameter (mm) Packing (Meters/Coil)
4AWG 5000 × Ø0.08mm 25 6.55 2.4 11.5 50
6AWG 3200 × Ø0.08mm 16 5.25 1.65 8.5 100
8AWG 1650 × Ø0.08mm 8.25 3.75 1.35 6.0 100
10AWG 1050 × Ø0.08mm 5.25 3.00 1.30 5.4 100

*(Other AWGs: 12AWG-30AWG available. 2AWG custom order upon inquiry)*


Primary Applications

  • Automotive: Battery jump leads, starter motor connections, under-hood wiring

  • EV/Battery Systems: Lithium-ion pack interconnects, BMS wiring, charging ports

  • High-Temp Industrial: Ovens, furnaces, welding equipment, LED grow lights

  • Power Transmission: Solar battery banks, UPS systems, high-current accessories


Engineering Advantages

Extreme Flexibility
Ultra-fine stranding enables tight-bend installation in confined spaces
Thermal Resilience
Stable performance from -60°C to 200°C (outperforms PVC/XLPE cables)
High Current Capacity
Optimized copper cross-section minimizes voltage drop
Harsh Environment Durability
Resists abrasion, oils, fuels, acids, and ozone
Safety Compliance
Flame-retardant insulation with high dielectric strength


Selection Guidance

Choose 4AWG for main battery leads (e.g., EV packs), 6-8AWG for starter motors, and 10AWG for accessory circuits. All sizes feature silicone insulation for critical heat/flexibility requirements in automotive and energy applications.

Note: Custom colors (Red/Black/Yellow/Green/White/Blue) and AWG configurations available.

High Temperature Silicone Wire Cable (4AWG to 10AWG) – Ultra Flexible Power for Demanding Automotive & Battery