... muscovite flexible plate is 550°C, while that of phlogopite mica plates is 850°C; which is a new style ... to valve electrode, insulation brace and insulation gasket, etc. mica plates is mostly used with industry electric cooker, copycat, baker ... toaster, hair dryer, warm air blower, electron iron, micro-wave oven, bread oven, electric iron, electric sanitize cabinet, thermos, main frequency furnace ...