Electrical Grade Magenesium Oxide
Product Description
| Formula | MgO | ||
| Molecular Weight | 40.3 | ||
| CAS No. | 1309-48-4 | ||
| Appearance | Light Brown powder | ||
| Type | G1 | G1C | |
| Sheath Temperature | ≤850ºC | ≤750ºC | |
| Silicone Treatment | Low | ||
| Sealing | Necessary | ||
| Chemicals | MgO % min. | 94.0% | |
| CaO % max. | 1.5% | ||
| SiO2 % max. | 3.0% | ||
| Al2O3 % max. | 1.0% | ||
| Fe2O3 % max. | 7.0% | ||
| LOI % max. | 1.5% | ||
| Particle Size | +40 mesh (425μ) % max. | 0.5% | |
| +50 mesh (300μ) % | 3±3% | ||
| +60 mesh (250μ) % | 28±7% | ||
| +80 mesh (180μ) % | 23±5% | ||
| +140 mesh (106μ) % | 25±5% | ||
| +200 mesh (75μ) % | 13±4% | ||
| +325 mesh (45μ) % | 9±3% | ||
| -325 mesh (45μ) % | 3±3% | 5±3% | |
| Flow Rate, S/100g | 160±20 | ||
| Tap Density, g/cm3 | 2.40±0.03 | ||
| Electrical Performance* | Power Load (W/cm2) | 10 | 8 |
| **Leakage Current (mA) max. | 0.5 | ||
| Puncture (V/0.5mA-1S) min. | 1500 | ||
| *Standard Elements | An 8.0mm to 6.6mm O.D. roll reduced Incoloy element with a heated length of 48±2 cm having a 2.2 mm O.D. 0Cr25Al5 helix. | ||
| **Leakage Current | Stands for leakage current in milliampere and the energized period lasts for 15 minutes. | ||
| Packing | in cartons of 25kgs net each, 2000kgs on pallets | ||
| Application | used in high quality elements of low wattage loading or liquid heating element. Such us for Air Conditioning Tube, Rice Cookers Tube, Kettle Tube etc. | ||
| Remarks | 1.Particle Size distribution and Tap Density can be modified if necessary. 2.High-Temperature Magnesia, which is treated with light silicone, stands 1050ºC/5mins annealing process. Sealing is necessary. 3.Sheath temperature is up to 850ºC. 4.Shelf life: 12 months. | ||