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Our Cartridge Heaters yield the highest possible watt density for those applications that require intense heat in a relatively small package. They have the virtue of parallel power leads feeding one end of the element, rather than a circuit requiring configuration for access to both ends. Benchmark Thermal's Cartridge Heaters are manufactured of the highest quality nickel-chromium resistance wire wound on high purity magnesium oxide cores. These fully swaged heaters are designed for industrial use. 

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