Verify the Method of the heater
First wipe the surface of the electric heating tube, then connect the AC 220V power supply, dry burn in the air, the surface is red after power off, to be completely cooled by the electric heating tube, wipe with a napkin, white paper should be free of black oxidation powder, it is a high quality electric heating tube.
This is a relatively simple method, of course, if there is an instrument is also a test method, the company's production of stainless steel electric heat pipe is stainless steel for the jacket, to magnesium oxide rod as the core, to do magnesium oxide powder filler, to nickel chromium wire for heating wire, the quality is more stable and reliable durable.
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