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Magnesium oxide powder-high temperature

Magnesium oxide powder-high temperature MEG

The high temperature magnesium oxide powder adopts more than 98% 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 high temperature, it has low leakage of current, high security, is widely used for heaters which used for dry heating.
2.High performance of filling: good flow property, can be more denser, good thermal effects.
3.Without silicon oil, greatly extend the life of heater under high temperature environment.

Electrical properties comparison of Magnesium oxide-high temperature

Model MEG-1 MEG-2 MEG-3
Temperature of operation °C ≤1050 ≤800 ≤800
Electrical Properties Normal condition Insulation resistance MΩ ≥1000
Breakdown voltage V 2500
Heating condition Surface load w/cm2 10 9 9
Current Leakage mA ≤0.2
Insulation resistance MΩ ≥3
Breakdown voltage V ≥1800
Humid conditions Insulation resistance MΩ 0
Breakdown voltage V 0

Chemical and physical properties comparison of Magnesium oxide-high temperature

Model MEG-1 MEG-2 MEG-3
Silicone oil treatment without
Chemical analysis(%) MgO ≥96
CaO ≤1.0
SiO2 ≤2.0
Fe2O3 ≤0.5
Al2O3 ≤0.5
Physical Properties distribution of grain 40-325 80-325 40-325
Flow speed s/% 150±15 160-180 150±15
Density of vibration g/cm3 2.28-2.50 2.24-2.34 2.28-2.50

Application of Magnesium oxide-high temperature

heater for bread toaster industrial cartridge heater heater for industrial furnace heater for electric oven
Heater for bread toaster Industrial cartridge heater Heater for industrial furnace Heater for electric oven
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