Jan. 06, 2026
Silicone rubber cable is a premium electrical cable designed for high-temperature, harsh, and demanding environments. Thanks to its superior silicone rubber insulation and sheath, this cable offers outstanding heat resistance, flexibility, electrical performance, and long service life. It is widely used in industrial equipment, power systems, heating devices, automation, and high-temperature installations where conventional PVC or XLPE cables cannot perform reliably.
In the global electrical cable market, silicone rubber insulated cable has become the preferred solution for applications requiring continuous operation at elevated temperatures, excellent mechanical flexibility, and strong resistance to aging, ozone, moisture, and chemicals. Whether used indoors or outdoors, in dry or humid conditions, silicone rubber cable ensures stable performance and long-term safety.
A silicone rubber cable is an electrical cable that uses silicone rubber as the primary insulation material, often combined with a silicone rubber outer sheath. The conductor is typically fine stranded copper or tinned copper, which enhances flexibility and electrical conductivity.
Unlike standard cables, silicone rubber cables can withstand extreme temperatures ranging from -60°C to +200°C, and even higher for short periods. This makes them ideal for applications where heat resistance and flexibility are critical.
⚠️ Note: In search engines, many users type “silicon rubber cable” instead of the correct “silicone rubber cable”. From an SEO perspective, both terms should be covered, although silicone is the correct technical term.
One of the most important advantages of silicone rubber cable is its ability to operate continuously at high temperatures. Standard versions are rated for 180°C or 200°C, while special designs can handle temperatures up to 300°C for short durations.
This makes silicone rubber cable ideal for:
High-temperature industrial equipment
Heating systems and furnaces
Ovens, kilns, and thermal processing lines
Silicone rubber remains flexible even at very low temperatures. Unlike PVC or rubber cables that harden and crack, flexible silicone rubber cable maintains its elasticity, making installation easier and safer.
This flexibility is especially important for:
Moving machinery
Robotic arms
Drag chain systems
Compact installations with tight bending radii
Silicone rubber insulation provides excellent dielectric strength and insulation resistance, ensuring stable electrical performance even under extreme conditions. This helps reduce the risk of short circuits, leakage, and electrical failure.
Many silicone rubber insulated cables are flame retardant, self-extinguishing, and produce low smoke and low toxic gases when exposed to fire. This significantly improves safety in enclosed spaces such as factories, tunnels, and power stations.
Silicone rubber offers exceptional resistance to:
UV radiation
Ozone
Moisture and humidity
Oxidation
Chemicals and oils
As a result, silicone rubber cable has a much longer service life compared to conventional cables, even in outdoor or harsh industrial environments.
A typical silicone rubber cable consists of the following layers:
Conductor
Fine stranded copper or tinned copper
Ensures high conductivity and flexibility
Silicone Rubber Insulation
High dielectric strength
Heat-resistant and flexible
Silicone Rubber Sheath (Optional)
Provides mechanical protection
Resistant to heat, moisture, and chemicals
This structure ensures that the cable performs reliably under continuous thermal and mechanical stress.
Silicone rubber cable is widely used in industrial machinery and equipment, including:
Production lines
Automation systems
Motors and drives
Control panels
Its flexibility and heat resistance make it ideal for dynamic industrial environments.
For applications involving extreme heat, high temperature silicone rubber cable is often the only reliable choice:
Furnaces and kilns
Heating elements
Glass and metal processing equipment
Thermal chambers
Silicone rubber power cables are used in:
Power distribution systems
Electrical cabinets
Switchgear
Transformers
Their stable electrical performance ensures safe and efficient power transmission.
Silicone rubber cables are commonly used in:
Electric ovens
Heating plates
Coffee machines
Industrial heaters
The cable’s insulation remains stable even with continuous heat exposure.
Thanks to excellent UV and weather resistance, silicone rubber cable performs well in:
Outdoor installations
Solar and renewable energy systems
Chemical plants
Humid or corrosive environments
| Feature | Silicone Rubber Cable | PVC Cable |
|---|---|---|
| Temperature Range | -60°C to +200°C | -15°C to +70°C |
| Flexibility | Excellent | Limited |
| Aging Resistance | Very high | Moderate |
| Flame Resistance | High | Moderate |
| Service Life | Long | Shorter |
From both a performance and safety perspective, silicone rubber cable clearly outperforms traditional PVC cable, especially in high-temperature and demanding applications.
Conductor Material: Copper / Tinned Copper
Insulation Material: Silicone Rubber
Sheath Material: Silicone Rubber (optional)
Voltage Rating: 300/500V, 450/750V (customizable)
Temperature Rating: -60°C to +200°C
Core Structure: Single core / Multi core
Flexibility: Highly flexible
Standards: UL, VDE, IEC (optional)
Environmental Compliance: RoHS compliant
Custom specifications are available based on customer requirements.
As a professional silicone rubber cable manufacturer, we specialize in designing and producing high-performance silicone insulated cables for global markets.
Every silicone rubber cable undergoes:
Conductor resistance testing
Insulation thickness inspection
High-voltage testing
Heat aging tests
This ensures consistent quality and compliance with international standards.
We offer custom silicone rubber cable solutions, including:
Custom conductor size (AWG / mm²)
Multi-core or special structures
Special colors
Customized temperature and voltage ratings
Our silicone rubber cables are exported worldwide and widely used by customers in:
Europe
North America
Middle East
Southeast Asia
When choosing a silicone rubber cable, consider the following factors:
Operating Temperature – Confirm continuous and peak temperature requirements
Voltage Rating – Ensure compatibility with your electrical system
Flexibility Needs – Static or dynamic installation
Environmental Conditions – Heat, moisture, chemicals, UV exposure
Standards & Certifications – UL, VDE, IEC, RoHS
Selecting the correct cable ensures safe operation, long service life, and reduced maintenance costs.
Standard coils or reels
Export-grade packaging
Clear labeling with specifications
Flexible MOQ and fast delivery
Silicone rubber cable is the ideal solution for applications that demand high temperature resistance, flexibility, safety, and durability. Compared with conventional cables, silicone rubber insulated cable delivers superior performance in harsh environments, making it the first choice for industrial, power, and high-temperature applications.
If you are looking for a reliable silicone rubber cable manufacturer or supplier, our products provide excellent electrical performance, long service life, and customizable solutions to meet your exact needs.
