High Purity Magnesium Oxide Powder 325mesh OEM/ODM solutions & wholesale MgO
- Model
- MgO: 95%min
Item specifics
- Categories
- Magnesium Oxide
- Product name
- High Purity Magnesium Oxide 325mesh
- Color
- Off-White
- Packing
- 20-27mt/20fcl
- Loading
- accepted
- OEM Packing
- 1309-48-4
- Delivery time
- within 20 days after payment receipt
- Free sample
- yes
Review
Description

What is Magnesium Oxide?
High-purity magnesium oxide (MgO), also known as light-burned magnesium oxide, is a white amorphous powder with a purity greater than 95%, CAS number 1309-48-4, and a melting point of 2852°C. It is insoluble in water, soluble in acid or ammonium salt solution, has high temperature resistance, alkali resistance, electrical insulation and high thermal conductivity, and can form sintered magnesium oxide or crystal structure after high-temperature calcination.

Core Features
High purity magnesium oxide, with main content at 93%-96%, Size is 200mesh and 325mesh, which can be flexibly selected according to specific mineral processing requirements, meet the precise reaction requirements in mineral processing scenarios.
Our magnesium oxide plant is located in the area with the richest magnesium ore resources in China.
Relying on local high-quality raw materials and advanced technology, it has an industry-leading position in quality stability and price competitiveness.
The technology and quality are leading in the country.
High Purity Magnesium Oxide
1)Main Content is high, raw material ore is widely and quality good.
2)Price is competitive, our plant is located in the richest magnesium ore in china
3)Shipment is fast, large production capacity
4)Production technology isstable and advanced.
5)Technical support from technical talents
Product Display

Magnesium Oxide Plant

Magnesium Oxide 95%

Magnesium Oxide Supplier
Magnesium Oxide specifications
Product | High Purity Magnesium Oxide | |
CAS No. | 1309-48-4 | |
Molecular Formula | MgO | |
Molecular Weight | 40 | |
HS CODE | 2519903000 | |
Properties | Solid | |
Specifications | ||
Items | Unit | Specifications |
Content as MgO | %,approximate | 95 |
SiO2 | %,max | 1 |
CaO | %,max | 2 |
Fe2O3 | %,max | 1 |
Al2O3 | %,max | 0.5 |
LOI | %,max | 6 |
Size(200 or 325mesh) | %,max | 90 |
Application
In application, this high-purity magnesium oxide is mainly used for replacement reaction in mineral processing.
With its chemical properties, it can effectively promote the sedimentation of substances in the reaction system, help improve mineral processing efficiency and separation effect, and is a key auxiliary material for achieving sedimentation in mineral processing.
In addition, as an industrial raw material, high-purity magnesium oxide is also widely used in the manufacture of ceramic substrates, refractory materials, and insulating fillers for electronic components. It is also used as a reinforcing agent in the pharmaceutical antacid, food additive, and rubber and plastic industries. In cutting-edge fields, its nano-scale products can be used for flame-retardant fibers, catalysts, and special ceramic raw materials.
Applications & Solutions



Flotation Mineral
✦used for replacement reaction in mineral processing.
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FAQ
What are Magnesium Oxide particles? What are the main components and characteristics?
1)The size is mainly 200mesh and 325mesh.
2)Appearance: off white powder
3) Magnesium oxide is an alkaline oxide with the common properties of alkaline oxides. It belongs to the category of gelling materials. It is a white or off-white powder, odorless, tasteless and non-toxic. It is a typical alkaline earth metal oxide with the chemical formula MgO. Its melting point is 2852℃, boiling point is 3600℃ and density is 3.58g/cm3 (25℃). It is soluble in acid and ammonium salt solutions, but insoluble in alcohol. Its solubility in water is 0.00062 g/100 mL (0 °C) and 0.0086 g/100 mL (30 °C).
What package about High Purity Magnesium Oxide?
50kg or 1250kg jumbo bag. May deliver by container or by bulk vessel.
The product is easy to absorb moisture, so it should be stored in a dry and ventilated place.
What content may we produce?
As for High purity Magnesium Oxide, we may produce the 93%,94%,95%,96%