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Lightweight Magnesium Oxide J2902 For the production of metallurgical smelting, refractory materials and heat-retaining materials

Lightweight magnesium oxide is a white, lightweight, loose, amorphous powder. Odorless and tasteless, its volume is approximately three times that of heavy magnesium oxide. It readily absorbs moisture and carbon dioxide when exposed to air. Insoluble in water and alcohol, it dissolves in dilute acids to form corresponding magnesium salt solutions. Specific gravity: 3.58 (at 25°C). Melting point: 285°C. Boiling point: 360°C. Slightly soluble in pure water and organic solvents; soluble in acid or

    Project

    Class I

    Class I

    Class II

    Premium Grade

     First Grade

    Qualified Grade

    Premium Grade

    First Grade

    Qualified Grade

    Magnesium Oxide (MgO) Content/% ≥

    95

    93

    92

    95

    93

    92

    Calcium Oxide (CaO) Content/% ≤

    1

    1.5

    2

    0.5

    1

    1.5

     Hydrochloric Acid Insolubles Mass Fraction/% ≤

    0.1

    0.2

    -

    0.15

    0.2

    -

    Sulfates (as SO₄) Mass Fraction/% ≤

    0.2

    -

    -

    0.5

    0.8

    1

    Residue on 150μm Test Sieve (%)

    0

    0.03

    0.05

    0

    0.05

    0.1

    Iron (Fe) content (%) ≤  

    0.05

    0.06

    0.1

    0.05

    0.06

    0.1

    Manganese (Mn) content (%) ≤

    0.003

    0.01

    -

    0.003

    0.01

    -

    Chloride (as Cl) content (%) ≤

    0.07

    0.2

    0.3

    0.15

    0.2

    0.3

    Losson Ignition Mass Fraction/% ≤

    3.5

    5

    5.5

    3.5

    5

    5.5

    Bulk Density/(g/ml)≤

    0.16

    0.2

    0.25

    0.2

    0.2

    0.25


  • Parameters

    Project

    Class I

    Class I

    Class II

    Premium Grade

     First Grade

    Qualified Grade

    Premium Grade

    First Grade

    Qualified Grade

    Magnesium Oxide (MgO) Content/% ≥

    95

    93

    92

    95

    93

    92

    Calcium Oxide (CaO) Content/% ≤

    1

    1.5

    2

    0.5

    1

    1.5

     Hydrochloric Acid Insolubles Mass Fraction/% ≤

    0.1

    0.2

    -

    0.15

    0.2

    -

    Sulfates (as SO₄) Mass Fraction/% ≤

    0.2

    -

    -

    0.5

    0.8

    1

    Residue on 150μm Test Sieve (%)

    0

    0.03

    0.05

    0

    0.05

    0.1

    Iron (Fe) content (%) ≤  

    0.05

    0.06

    0.1

    0.05

    0.06

    0.1

    Manganese (Mn) content (%) ≤

    0.003

    0.01

    -

    0.003

    0.01

    -

    Chloride (as Cl) content (%) ≤

    0.07

    0.2

    0.3

    0.15

    0.2

    0.3

    Losson Ignition Mass Fraction/% ≤

    3.5

    5

    5.5

    3.5

    5

    5.5

    Bulk Density/(g/ml)≤

    0.16

    0.2

    0.25

    0.2

    0.2

    0.25


Description

Lightweight magnesium oxide is a white, lightweight, loose, amorphous powder. Odorless and tasteless, its volume is approximately three times that of heavy magnesium oxide. It readily absorbs moisture and carbon dioxide when exposed to air. Insoluble in water and alcohol, it dissolves in dilute acids to form corresponding magnesium salt solutions. Specific gravity: 3.58 (at 25°C). Melting point: 285°C. Boiling point: 360°C. Slightly soluble in pure water and organic solvents; soluble in acid or salt solutions. Molecular formula: MgO. Molecular weight: 40.31. Used in metallurgical smelting, refractory materials, and moisture-retaining material manufacturing.

Specification  

Class I

Class I

Class I

Class II

Premium Grade

 First Grade

Qualified Grade

Premium Grade

First Grade

Qualified Grade

Magnesium Oxide (MgO) Content/% ≥

95

93

92

95

93

92

Calcium Oxide (CaO) Content/% ≤

1

1.5

2

0.5

1

1.5

 Hydrochloric Acid Insolubles Mass Fraction/% ≤

0.1

0.2

-

0.15

0.2

-

Sulfates (as SO₄) Mass Fraction/% ≤

0.2

-

-

0.5

0.8

1

Residue on 150μm Test Sieve (%)

0

0.03

0.05

0

0.05

0.1

Iron (Fe) content (%) ≤  

0.05

0.06

0.1

0.05

0.06

0.1

Manganese (Mn) content (%) ≤

0.003

0.01

-

0.003

0.01

-

Chloride (as Cl) content (%) ≤

0.07

0.2

0.3

0.15

0.2

0.3

Losson Ignition Mass Fraction/% ≤

3.5

5

5.5

3.5

5

5.5

Bulk Density/(g/ml)≤

0.16

0.2

0.25

0.2

0.2

0.25

Application

Manufacturing of metallurgical, smelting, magnesia bricks, refractory materials, and moisture-retaining materials. Also widely used in rubber, rubber sheets, rubber products, pharmaceuticals, food processing, plastic sheet accelerators, fiberglass plasticizers, surface coating paints for silicon steel sheets, fillers and reinforcing agents in paper production, steel ball polishing agents, leather treatment agents, insulating materials, greases, dyes, ceramics, desiccants, resins, flame retardants, as fillers and reinforcers for rubber and plastic products, soft magnetic ferrites, adhesives, catalysts in the chemical industry, and for manufacturing other magnesium compounds. It also serves as raw material for enamel, ceramics, and glass.

Item  Specification

Activity-150 Activity-120 Activity-80

Decolorization Rubber Grade Grade 1 Grade 2 Grade 1 Grade 2

Magnesium Oxide (MgO) Content/% ≥ 88 88 88 88 92 90

Calcium Oxide (CaO) Mass Fraction/% ≤ 0.8 0.5 1 1 1 1

Hydrochloric Acid Insolubles Mass Fraction/% ≤ 0.2 0.1 0.1 0.1 0.1 0.1

Residue (75μm Test Sieve) Mass Fraction/% ≤ 0.05 0.1 0.1 0.1 0.1 0.1

Iron (Fe) Mass Fraction/% ≤ 0.02 0.05 0.05 0.05 0.05 0.05

Manganese (Mn) Mass Fraction/% ≤ 0.003 0.003 0.003 0.003 0.003 0.003

Chloride (as Cl) Mass Fraction/% ≤ 0.05 0.2 0.15 0.2 0.2 0.1

Loss on Ignition Mass Fraction/% ≤ 10 10 10 10 6 8

Bulk Density/(g/ml)≤ 0.2 0.2 0.2 0.2 0.2 0.2

Iodine Absorption Value/(mg/g) 150.1-180.0 120.1-120.0 80.1-120.0

 

Application

Chlorinated polyethylene, neoprene, butyl rubber, fluororubber, silicone rubber, adhesives, and PVC compounding agents. Active magnesium oxide serves as a key raw material for producing high-performance fine inorganic materials, electronic components, inks, and harmful gas adsorbents. It holds promise for development into materials suitable for harsh conditions such as high temperatures and severe corrosion. Applications include use as a filler in cosmetics, a filler and reinforcing agent in plastics and rubber, and an auxiliary material in various electronic materials. It also functions as an important adjuvant in isothiazolinone-based antimicrobial preservatives and water treatment agents.

Package

20 kg per bag

 

 

 

REMARK

The above information is believed to be accurate and presents the best explanation currently available to us. We assume no liability resulting from above content. The technical standards are formulated and revised by customers’ requirement and us, if there are any changes, the latest specification will be executed and confirmed in the contract.

 


Next : Magnesium oxide 150 J2903 As a vulcanizing agent and activator This product has high purity
Lightweight Magnesium Oxide J2902 For the production of metallurgical smelting, refractory materials and heat-retaining materials
Lightweight magnesium oxide is a white, lightweight, loose, amorphous powder. Odorless and tasteless, its volume is approximately three times that of heavy magnesium oxide. It readily absorbs moisture and carbon dioxide when exposed to air. Insoluble in water and alcohol, it dissolves in dilute acids to form corresponding magnesium salt solutions. Specific gravity: 3.58 (at 25°C). Melting point: 285°C. Boiling point: 360°C. Slightly soluble in pure water and organic solvents; soluble in acid or
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Lightweight Magnesium Oxide J2902 For the production of metallurgical smelting, refractory materials and heat-retaining materials

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