China Brucite ultrafine powder - China Supplier
China Brucite ultrafine powder - China Supplier

Brucite ultrafine powder

Price:Negotiable
Industry Category: Chemicals
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Contact Info
  • Add:辽宁省大连市金州新区友谊街道龙王庙村金家屯231号, Zip: 116100
  • Contact: 杨连春
  • Tel:0411-82827218
  • Email:dlypfr@outlook.com

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Description
Additional Information

Brucite Mineral Characteristics:

Brucite [Molecular formula: Mg(OH)₂] is a natural mineral with high magnesium content and rich in crystalline water. It begins to decompose into MgO and releases a large amount of water vapor when heated to 340°C. [Crystal Chemistry] Theoretical composition: MgO 69.12%, H₂O 30.88%;

Often contains impurities such as Fe, Mn, Zn, and Ni in isomorphic forms. It has a layered structure, trigonal crystal system, with single crystals appearing as thick plates; commonly found as flaky aggregates;

Fibrous aggregates are known as nemalite. Brucite has a Mohs hardness of 2.5, a density of 2.3-2.6, and a whiteness of over 90%.

Brucite Applications:

Production of magnesium hydroxide flame retardants;

Manufacturing asbestos-free insulation materials;

Protective layers for nuclear reactors in nuclear power plants as refractory materials;

Magnesium-based fluxes and coatings for welding electrodes;

Thermal insulation materials;

Inhibitors for fuel combustion corrosion;

Fillers in the paper industry;

Production of light-burned magnesia and dead-burned magnesia;

Neutralizing agents for acidic wastewater, adsorption of heavy metals, and flue gas desulfurization;

Grade

YP-3500

YP-3000

YP-2500

YP-1500

YP-1250

YP-1000

I. Physical Indicators

Particle Size (μm)

D97:μm

7.3

11.5

16.5

16.8

24.8

29.5

D90:μm

5.2

8.1

10.8

11.7

17.1

20.1

D50:μm

2.2

3.0

3.5

4.0

5.0

5.5

D10:μm

0.8

0.9

0.9

1.0

1.1

1.2

Specific Surface Area:(M2/KG)

1400

1100

1000

950

800

750

Density:(G/CM3

2.3—2.4

Mohs Hardness

2—3

Whiteness:(R45T%)

≥90

Oil Absorption:(ML/100G)

≤55

pH Value

9—10

Refractive Index:(%)

1.56—1.58

Volume Resistivity(Ω.CM

108—1010

Vertical Burning Performance

UL-94V0

Ignition Loss:

28—30

Decomposition Temperature(

340

II. Chemical Indicators(WB/%)

Molecular Weight

58.3

Mg(OH)₂

≥94

MgO

≥65

Fe₂O₃

≤0.5

SiO₂

≤2.2

Al₂O₃

≤0.15

CaO

≤1.0

P

0.02—0.05

L.O.I

30

A.L.R

≤2.3

Moisture Content

≤0.3

Packing: 25KG, 50KG, 1MT plastic woven bag or negotiable 

Industry Category Chemicals
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Origin: China / Liaoning
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