What's the function of the mica in the microwave oven?
The mica plate in microwave oven is mainly used to prevent the splashing of water or oil and other things into the magnetron in the process of heating food, and play a protective role. The life of the magnetron will be lowered when the mica sheet is removed.
Mica sheet is dustproof (mainly soot), high temperature resistant and barrier free microwave. Without mica, soot can easily enter the emitter of the magnetron and cause damage to the magnetron.
Mica by phengite, quartz, garnet and Jin Hongshi etc., can appear albite, zoisite and chlorite, garnet rich Fe and Mg, phengite in Si up to 3.369, is a combination of high pressure. With insulation and low loss thermal resistance function, or very good black body.
