Series 49UL Polyimide Heater Jackets employ cutting edge materials technology to provide superior performance and value. These 240V heaters can be used in all critical applications where minimal outgassing, ultra low particle generation, elevated temperatures (up to 225°C), and ease of installation are required. These patented heaters are constructed with fully squared ends and a form fit shape to maximize thermal efficiency and temperature uniformity, minimizing thermal losses and power consumption.