Spring type heating core is made of high quality iron chromium aluminum alloy wire or nickel chromium alloy wire as heating body, using natural mica or artificial mica plate as insulation layer, can be customized according to customer requirements of various sizes. It has the advantages of stable structure, good aging resistance, good surface temperature uniformity, fast heating rate, long service life, automatic power failure protection and so on.

1. High temperature resistance, mica plate can withstand 600℃ high temperature;

2. Good insulation performance, insulation resistance is more than 100MΩ;

3. The power cord adopts high-temperature fluorine-plastic line;

4. Power deviation range: ±5%;

5. Double protection with temperature controller and fuse;

6. Optional negative ion air device.