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Magnesium Oxide Powder Low Temperature Med

Magnesium oxide powder-Low temperature MED

The low temperature magnesium oxide powder adopts more than 93% fusing MgO powder as raw material. After crushing and grinding, adding proper additive, then fabricate it through high-temperature calcination.

1 Hight temperature resistance: excellent electrical performance, under low temperature, it has low leakage of current, high security, is widely used for heaters of home appliance.

2 High performance of filling: good flow property, can be more denser, good thermal effects.

3 MED-1 without silicon oil, is suitable for heater which is fabricated by hight temperature treatment. MED-2 and MED-3 with silicon oil, good moisture resistance, heater can be used directly without sealing. Production process is more simple and low cost.

Electrical properties comparison of Magnesium oxide-low temperature

ModelMED-1MED-2MED-3
Temperature of operation °C≤550≤500≤400
Electrical PropertiesNormal conditionInsulation resistance MΩ≥1000
Breakdown voltage V2500
Heating conditionSurface load w/cm2665
Current Leakage mA≤0.2≤0.15≤0.1
Insulation resistance MΩ≥3≥4≥5
Breakdown voltage V≥1800
Humid conditionsInsulation resistance MΩ0≥1000≥1000
Breakdown voltage V025002500

Chemical and physical properties comparison of Magnesium oxide-low temperature

ModelMED-1MED-2MED-3
Silicone oil treatmentwithoutwithwith
Chemical analysis(%)MgO≥94
CaO≤1.5
SiO2≤3.5
Fe2O3≤0.7
Al2O3≤0.5
Physical Propertiesdistribution of grain40-32540-32540-325
flow speed s/%190±15190±15190±15
Density of vibration g/cm32.30-2.402.30-2.402.30-2.40

Application of Magnesium oxide-high temperature

heater for Electric kettle2steel heater for electric ironsteel heatercopper plated steel heater for water heater
Heater for Electric kettleSteel heater for electric ironSteel heaterCopper plated steel heater for water heater
heater for dishwasherheating plate for electric kettledouble aluminium heater for coffee potheating plate for rice cooker
Heater for dishwasherHeating plate for electric kettleDouble aluminium heater for coffee potHeating plate for rice cooker
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