Heat protection, Wire and Cable products

PTFE-insulated high-temperature cables for lambda sensors

The requirements for modern exhaust systems in vehicles are becoming increasingly demanding. Lambda probes and exhaust gas temperature sensors are crucial for the precise monitoring and control of emissions. Installed in proximity to the exhaust system, they are exposed to extreme heat and aggressive chemicals. These special requirements demand particularly resistant cabling – GREMCO provides a proven solution for the automotive industry with its PTFE-insulated high-temperature cables.

Lambda probes and exhaust gas temperature sensors: High demands on the wiring

Lambda sensors are crucial for the optimum mixture of air and fuel. They measure the ratio of both components to optimize fuel consumption and reduce emissions. Exhaust gas temperature sensors monitor temperatures to protect the catalytic converter and other elements. However, both sensors are exposed to extreme conditions such as heat, vibrations, and aggressive fluids, which places special demands on their cabling. The PTFE-insulated high-temperature cables from GREMCO ensure high reliability and durability here.

PTFE – The ideal insulation material for high-temperature applications

Polytetrafluoroethylene (PTFE) is the preferred insulation material for high-temperature applications due to its unique properties. It offers a high-temperature resistance of up to 260 °C and is resistant to aggressive liquids. These properties make PTFE ideal for wiring near manifolds and catalytic converters where conventional materials would fail. GREMCO uses PTFE insulation to meet the requirements of the automotive industry optimally and to protect sensors from extreme conditions.

Nickel-plated copper conductors for optimum conductivity and durability

Not only the insulation but also the conductor itself needs to withstand the extreme conditions in the engine compartment. Therefore, GREMCO uses nickel-plated copper conductors, which guarantee high electrical conductivity and are also corrosion-resistant. The nickel plating further protects the copper conductor from oxidation and extends the service life of the cables – a crucial property in high-temperature environments.

Additional temperature protection for maximum safety of high-temperature cables

Although PTFE has a high heat resistance, additional protection is often required in particularly hot areas. This is where GREMCO’s silicone-coated or aluminum-coated fiberglass sleeves come into play, providing an additional protective barrier and further increasing the longevity of the cables. These protective sleeves are pulled over the PTFE cables to absorb the effects of extreme heat and thus ensure stable signal transmission even under the harshest conditions.

Advantages of PTFE-insulated high-temperature cables from GREMCO in an overview:

1. excellent high-temperature resistance: the PTFE insulation can withstand temperatures of up to 260 °C, with even higher short-term loads.
2. high chemical resistance: PTFE is resistant to aggressive chemicals and offers optimum protection even under extreme conditions under the hood.
3. corrosion-resistant conductors: Nickel-plated copper conductors ensure reliable signal transmission and prevent corrosion even in demanding environments.
4. flexibility in application: With additional silicone or aluminum-coated fiberglass sleeving, cables can be safely routed even in the hottest engine areas.

GREMCO – Your partner for reliable cable solutions in the automotive industry

With its PTFE-insulated high-temperature cables, GREMCO provides a customized solution that meets the extreme requirements of modern vehicles. Our experts are constantly developing new cabling solutions that are tailored to the individual requirements of car manufacturers. GREMCO stands for the highest quality, durability, and safety – so that your vehicles can reliably withstand the challenges of today and tomorrow.