Cables are essential components in modern power and communication systems, responsible for transmitting electricity and signals safely and efficiently. Depending on their functions and application environments, cables can be classified into various types — including power cables, control cables, signal cables, coaxial cables, flame-retardant cables, and more.
Among them, power cables are the backbone of power transmission and distribution. They are typically composed of copper or aluminum stranded conductors, combined with insulation and sheath layers made of high-performance materials such as rubber, XLPE, or silicone rubber.
In this context, rubber cables and silicone rubber cables are two widely used types, valued for their excellent mechanical and physical properties. Below, we explore their similarities and differences — focusing on their materials, performance, and application suitability in the cable industry.
1.Similarities
Structural Similarity
Both use fine stranded copper conductors for flexibility, combined with rubber-based insulation and sheath layers. Some models include reinforced protective layers for enhanced durability.
Overlapping Applications
Both are suitable for mobile electrical equipment and outdoor environments — such as construction sites, port machinery, or lighting systems — where cables must endure frequent bending and mechanical stress.
2.Key Differences
(1)Material and Temperature Resistance
Silicone Rubber Cable: Uses silicone rubber insulation, offering a wide temperature range from –60°C to +200°C, with continuous operation up to 180°C.
Rubber Cable: Made from natural or synthetic rubber, typically suitable for –40°C to +65°C, with a maximum continuous operating temperature around 70°C.
(2)Performance Characteristics
Flexibility and Aging Resistance: Silicone rubber cables are softer and more resistant to aging, maintaining flexibility even at low temperatures. Rubber cables, while stronger mechanically, are more prone to aging.
Chemical Resistance: Silicone rubber cables resist acids, alkalis, oil, and corrosive gases, ideal for chemical or metallurgical environments. Rubber cables offer moderate oil resistance but weaker chemical stability.
(3)Cost and Application
Cost: Silicone rubber cables are generally 1.5–2 times more expensive than rubber cables.
Typical Applications:
Silicone rubber cables — high-temperature motors, EV battery systems, aerospace and medical equipment.
Rubber cables — household appliances, agricultural machinery, general industrial power connections.
3.Summary and Industry Insights
Silicone rubber cables provide superior high- and low-temperature resistance (–60°C to +200°C, with short-term peaks up to 350°C) and excellent flexibility for complex installations.
Rubber cables, on the other hand, offer strong mechanical durability, UV resistance, and cost efficiency, making them ideal for outdoor or general-purpose use.
From a cable materials perspective, the choice between the two depends on the operating environment, cost requirements, and desired service life.
While silicone rubber cables have a higher upfront cost, their longer lifespan and stable performance in extreme environments can reduce the overall life-cycle cost by up to 40%.
About ONE WORLD
As one of the leading suppliers of wire and cable raw materials, ONE WORLD provides a comprehensive range of products including Glass Fiber Yarn, Aramid Yarn, PBT, Polyester Tape, Aluminum Foil Mylar Tape, Water Blocking Tape, Copper Tape, as well as PVC, XLPE, LSZH, and other insulation and sheathing materials.
Our materials are widely used in power cable and optical fiber cable manufacturing, supporting industries with reliable, high-performance, and cost-effective solutions. We are committed to driving the advancement of global cable materials technology and enabling the sustainable development of the power and communication sectors.
Post time: Oct-28-2025