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Magnesium OxideCAS No.: 1309-48-4Chemical formula MGOMolecular weight: 40.31Character: The white amorphous powder, not smelly, istasteless, non-toxic, the melting point approximately 2, 825, the relative density 3.58, soluble in acid or ammonium salt solution, insoluble in water, the ethanol, the ether, the benzene and the toluene etc. Organic solvent. Magnesia Lightcan take up water and carbon dioxide in the air to reate the magnesium carbonate duplicate salt which reduce the activity.Use: As the vulcanization activator and active filler in the rubber industry, also is the polyphenylene oxide synthetic catalyst, the bond, the padding of the paint and of the paper. In addition, it can be used as the raw material that makes the ceramic, the enamel and the firebrick, besides used in the medicine, dye, glass etc. Industry.
NO. | Specifications | Industrial Grade | Food Grade |
1 | AssayNa 5P 3O 10% ≥ | 94.0 | 95.0 |
2 | P 2O 5% ≥ | 57.0 | 57.0 |
3 | Water Insoluble Matter %≤ | 0.1 | 0.05 |
4 | Iron(Fe) %≤ | 0.01 | 0.01 |
5 | PH value(1%water solution) | 9.2-10.0 | 9.5-10.0 |
6 | Heavy Metal (as Pb) %≤ | 0.001 | |
7 | Arsenic (As) %≤ | 0.0003 | |
8 | Fluoride (F) %≤ | 0.003 | |
9 | Particle SizePower:Through 16 mesh sieve %≥Through 35 mesh sieve %≥Through 100 mesh sieve %≥ Fine power: Through 100 mesh sieve %≥ | 95 90 40 90 | 95 90 40 90 |
10 | Whiteness %≥ | 90.0 | 90.0 |
Magnesium Oxide