Jiahong HTU⁺ ultra-high temperature self-limiting electric heating tape can be used for antifreeze and process temperature maintenance of equipment such as pipelines and storage tanks under ultra-high continuous operating temperatures (up to 210°C). At the same time, the product can withstand a maximum continuous exposure temperature of up to 260°C, including intermittent or continuous long-term high-temperature steam purge environments, and can also be installed and used in ultra-low temperature environments of -60°C.