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High purity magnesium oxide series
Molecular formula: MgO
Properties: white irregular powder. Melting point is about 2852°C, no odor and taste. It is poorly soluble in water and organic solvents, soluble in water, organic solvents, acid and saline solution.
Uses: this product is used as filling agent and reinforcing agent for light-colored plastic and rubber products, used in producing ceramics and advanced enamel refractory materials. Moreover, it can also be used as accelerator and activator for polishing agent, adhesive, chloroprene rubber and fluororubber
| Chemical index (%) | Index | Physical index | Index |
| Magnesium oxide (MgO) | ≥99.0 | Sieve residue (320 mesh) | ≤2.0 |
| Chloride (CI) | ≤0.05 | Loss on ignition | ≤3.5 |
| Calcium oxide (CaO) | ≤0.01 | Specific volume (cm3/g) | 6.0－8.5 |
| Iron, aluminum oxide (R2O3) | ≤0.02 | Specific surface area (m3/g) | 8--20 |
| Sulfate (SO42-) | ≤0.05 | Magnesium oxide particle size (median diameter) μm | 2.0 |
| Boron oxide (B) | ≤0.05 | Manganese salt | ≤0.003 |
| Citric acid activity (CAA) | ≤15 | Iodine adsorption activity (mg/100gMgO) | ≥60 |
Note: specific indicators can be adjusted according to user needs
Heavy magnesium oxide
Product name: Heavy magnesium oxide
Ingredients: heavy and light two types, generally, magnesium oxide is referred to as heavy magnesium oxide.
Properties: white or yellowish-white powder, no odor and taste.
Poorly soluble in water, insoluble in ethyl alcohol.
| Item | Index |
| MgO | ≥ 99.9% |
| CaO | ≤ 0.01% |
| Fe2O3 | ≤ 0.01% |
| Al2O3 | ≤ 0.01% |
| Bulk densityg/ml | ≤ 0.3 |
| Laser particle sizeD50/μm | 1-50 |
| Whiteness | ≥ 95% |
| Calcination temperature (℃) | 1000-1200 |
Note: specific indicators can be adjusted according to user needs
Uses: the product can be widely used as high-temperature heat-resisting material. It can also be used in ceramics, electronic materials, and other fields.
Active magnesium oxide 180
Active magnesium oxide (180 activity degree)
Appearance: white powder
Molecular formula: MgO
Molecular weight: 40.30(According to the 2001 international relative atomic weight)
This product is widely used in heat-resisting material, butyl rubber, butadiene styrene rubber, rubber cement composite materials and other industries. Standard: HG/T3928-2007 Index:
| Item | Index |
| Magnesium oxide (MgO)% | ≥92.0 |
| Calcium oxide (CaO)% | ≤0.20 |
| Insoluble matter in hydrochloric acid % | ≤0.10 |
| Sieve residue (75Um test sieve)% | ≤0.01 |
| Iron (Fe)% | ≤0.01 |
| Manganese (Mn)% | ≤0.00 |
| Chloride (Cl)% | ≤0.05 |
| Loss of ignition% | ≤8.0 |
| Bulk density (g/mL)% | ≤0.20 |
| Iodine adsorption(Mg/g) | ≥180 |
