Middle and low temperature magnesium oxide powder for heating element 1,Temp:600-650C Middle and low temperature magnesium oxide powder for heating element NAME GRADE NORMAL CONDITION HEATING CONDITION HUMID CONDITIONMΩ Vw/cm² mA VMΩ VHigh temperatureHTM>1000200010≤0.41600--Medium temperatureMTM>100020008≤0.4160010002000Medium-LowtemperatureMLTM>100020007≤0.3160010002000Medium-LowTemperatureMLATM ...