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Low High Temperature Magnesia Powder MED

Our low High Temperature Magnesia Powder is made of fused magnesium that contains more than 93% MgO, firstly grinned, secondly proceeded with high temperature calcinations, and lastly added additives. The product has following features:

  1. Temperature resistance:excellent electrical performance, low leakage current under low temperature conditions, and has been widely applied to the low temperature heating elements, mostly civil use.
  2. Filling effect:Good flow properties, better density when filled into heat pipe, therefore good thermal effects.
  3. MED-1Product MED-1 does not have Silicone oil added; hence it is suitable for high temperature treated heating pipe.

Chemical & Physical Analysis

Item Silicon Coating Type Chemical Analysis(%) Physical Property
Mgo CaO SiO2 Fe2O3 Ai2O3 Sieve Analysis Mesh Flow Rate s/% Tap Density g/cm3
Low Temperature Mgo without silicon coating MED-1 ≥94 ≤1.5 ≤3.5 ≤0.7 ≤0.5 40-325 190±15 2.30-2.40
with silicon coating MED-2 40-325 190±15 2.30-2.40
with silicon coating MED-3 40-325 190±15 2.30-2.40

Electrical Property

Type Operate Temperature°C Electrical Property
Normal Condition Heating Condition Humidity Condition
Insulation Resistence MΩ Withstand Votage V Wattage Current w/cm2 Leakage Current mA Insulation Resistence MΩ Withstand Votage V Insulation Resistence MΩ Withstand Votage V
MED-1 ≤550 ≥1000 2500 6 ≤0.2 ≥3 ≥1800 0 0
MED-2 ≤500 ≥1000 2500 6 ≤0.15 ≥4 ≥1800 ≥1000 2500
MED-3 ≤400 ≥1000 2500 5 ≤0.1 ≥5 ≥1800 ≥1000 2500
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