... heater, MCH Ceramic Heating Plate (MCH) 1. Configuration. Heating ... appliances. The insulating material is alumina ceramic usually, but others are possible, such as ceramic, glass, mica and so on ... as heating material. It is longer life than wire heaters. Its with temperature coefficient of + 2000~3000×10- ... sides3000220V250TC-160R70L07W220V7071.25160±10%both sides3000220V250 Ceramic Heating Plate(MCH)