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Carbon fibre quartz heating tube, service life >= 6000 hours, heating unit non-oxidation and non- punchthrough, uniform radiation and clean shell of pipe. High-purity dehydroxylation quartz glass cell, small thermal coefficient of expansion, high thermal stability, temperature fluctuation bearable. It is a new electric heating product with carbon fiber as heating material and an ideal article for air and water heating in many fields of industry, agriculture and others. It is an ideal article for air and water heating in many fields of industry, agriculture and others, such as heater, far infrared heating equipment, paint baking and so on.