The method of heating the ceramic to make a far-infrared artificially is common.
The fine ceramics of an alumina system or a zirconium system are used well.
Wavelength and the emittance change by a kind and the heating temperature of ceramics.
The following of the table showing the radiation wavelength of a material is carried out.
| Radiating matter | Application product | Wavelength | Zone |
|---|---|---|---|
| Tungsten | Halogen lamp heater | 1.0-2.5μm | Near-infrared |
| Nichrome | Electric heater | 2.0-5.0μm | Mid-infrared |
| Silicon carbide | Glover | 1.0-50μm | All zone Infrared |
| Ceramics | Panel heater | 1.0-50μm | All zone Infrared |
| Stainless | Sheathed heater | 4.0-10μm | Far-infrared |
| Carbon | Arc lamp, Carbon heater | 2.0-25μm | Mid &Far Infrared |
| Cesium | Xenon lamp | 0.8-2.5μm | Near-infrared |
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