Understanding Sensor Cable Jackets: Choosing the Right Type for Your Application

Choosing the right sensor cable jacket is crucial for performance and longevity. Each type is tailored for specific applications, offering benefits like washdown capabilities, abrasion resistance, and flexibility. Selecting the appropriate jacket can extend cable life and improve reliability.

Main cable jackets: PVC, PUR, TPE

The three main types of sensor cable jackets are PVC (polyvinyl chloride), PUR (polyurethane), and TPE (thermoplastic elastomer).

PVC (polyvinyl chloride) is a widely used general-purpose cable jacket known for its availability and cost-effectiveness. It offers excellent moisture resistance, making it an ideal choice for washdown applications where exposure to water and cleaning agents is common. While PVC is a reliable option, it may not perform as well in extreme temperatures or harsh chemical environments as other jacket types.

PUR (polyurethane) is predominantly found in Asia and Europe and is recognized for its superior resistance to abrasion, oil, and ozone. One standout feature of PUR is that it is halogen-free, meaning it does not contain harmful elements such as chlorine, iodine, fluorine, bromine, or astatine. However, it has a more limited temperature range, typically from -40°C to 80°C. PUR is an excellent choice for applications that require durability and resistance to environmental stressors.

TPE (Thermoplastic Elastomer) is a highly flexible and recyclable cable jacket that excels in cold temperature performance, ranging from -50°C to 125°C. It is resistant to aging from sunlight, UV exposure, and ozone, making it suitable for outdoor applications. TPE also boasts a high flex rating, often rated for up to 10 million flex cycles, making it ideal for dynamic applications where movement is frequent.

Performance comparison

Note: The ratings in the table are based on average performance. Special selective compounding of the jacket can enhance performance in specific applications.

Other cable jackets: XLPE, Silicone, Neoprene, FEP, PTFE

Other cable jackets include XLPE (cross-linked polyethylene), which offers excellent thermal and chemical resistance for high-temperature applications. Silicone is highly flexible and withstands extreme temperatures, providing excellent UV and ozone resistance. Neoprene resists oils, chemicals, and weathering, making it suitable for outdoor use. FEP (fluorinated ethylene propylene) is known for its chemical resistance and high-temperature performance and is often used in specialized applications. Lastly, PTFE (polytetrafluoroethylene) is recognized for its high-temperature resistance and chemical inertness, which makes it ideal for extreme conditions.

Selecting the right sensor cable jacket is essential for ensuring long-term reliability and performance in your application. Whether prioritizing cost-effectiveness, durability, or flexibility and extreme temperature resistance, understanding the strengths of each material allows for an informed decision. Additionally, specialized options provide tailored solutions for unique environmental challenges. You can optimize cable longevity and maintain efficient sensor operation in any industrial environment by carefully evaluating factors such as moisture resistance, abrasion protection, and temperature tolerance.