This document provides information on Thorne and Derrick's Type ELK-Q heating cable, which can operate at temperatures up to 900°C. The cable has quartz textile insulation, a nominal voltage of 230V, and an output of around 175W/m. It is highly flexible and has a minimum bending radius of 5 times its diameter. Applications include heat tracing on glass, quartz and ceramic, and high output laboratory and research devices. Safety standards and technical specifications are also listed.