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Low-Temperature MgO Powder
Low temperature electrical grade magnesium oxide powder
It belongs to low temperature moisture-proof electrical grade magnesium oxide powder, mainly using low load air burning electric heater and water heating components, has good moistureproof performance, only simple sealing process.
Temperature Stability: Even at low temperatures, our MED series exhibits excellent electrical properties, ensuring minimal current leakage and a high degree of safety. Therefore, it is the first choice for heating elements in household appliances.
Optimum filling properties: This product has excellent flow dynamics, which increases density and ensures effective thermal conductivity.
Chemical Analysis
| Specifications | Chemical analysis % | |||||
| MgO | Ca0 | Al₂O₃ | Fe₂O₃ | SiO₂ | L.O.I | |
| L8 | ≥95.5 | ≤1.5 | ≤0.9 | ≤0.5 | ≤2.0 | ≤0.20 |
| L7 | ≥94.5 | ≤1.5 | ≤0.9 | ≤0.5 | ≤2.5 | ≤0.20 |
| L6 | ≥93.5 | ≤2.0 | ≤0.9 | ≤0.6 | ≤2.5 | ≤0.25 |
physical property
Tap density T.D. (g/cm³) : 2.30-2.45
Flow rate F.T. (s/100g) : 40±6
Flow rate F.R. (s100g) : 175±20
| Mesh | 40 | 60 | 80 | 140 | 200 | 325 | -325 |
| Particie size(μm) | 425 | 250 | 180 | 106 | 75 | 45 | -45 |
| Content (%) ≤0.5 | 26±6 | 25±6 | 25±6 | 12±5 | 11±5 | 5±5 |
Electrcal Properties
| Speoficaions | Main electrical indicators refer to the data sheet | ||||||||
| Normal | Thermal leakage current(mA) | Tidal state | |||||||
| Insulation MΩ | Pressure V/1mA | 4W/cm² | 5W/cm² | 6W/cm² | 7W/cm² | Insulation MΩ | Pressure V/1mA | ||
| L8 | 1X10⁵ | ≥2500 | 0.02 | 0.05 | 0.08 | 0.16 | 1X10⁵ | ≥2500 | |
| L7 | 1X10⁵ | ≥2400 | 0.02 | 0.06 | 0.16 | 0.26 | 1X10⁵ | ≥2400 | |
| L6 | 1X10⁵ | ≥2300 | 0.02 | 0.1 | 0.2 | 1X10⁵ | ≥2300 | ||
