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Electronic Grade Magnesium Carbonate Light For Electronic Components CAS No. 546-93-0

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Electronic Grade Magnesium Carbonate Light For Electronic Components CAS No. 546-93-0

Brand Name : LiangJiang
Model Number : Electronic grade magnesium carbonate
Certification : ISO/REACH/SGS/ROSH
Place of Origin : China
MOQ : 1Ton/Tons
Price : negotiation
Payment Terms : 30% T/T in advance, the balance against the copy of B/L;Irrevocable Sight L/C;western Union、D/A、D/P
Supply Ability : 2000Ton/Tons per Month
Delivery Time : 10 working days after received your payment
Packaging Details : Plastic and paper compound valve bag, net weight of each bag: 25kgs;1 Pallet can be packed 40 bags by PE film/ 1 ton/ 40bags;1x20' FCL can be loaded 20 Pallet/ 20 ton/800bags. 1x20' FCL can be loaded 22 ton/ 880bags without pallet.;If you have special req
Application : used as materials for electronic components. Besides, it is also main material for producing high purity MgO, printing ink, fine ceramics, medicine, cosmetics, toothpaster, advanced pigments etc. It has the highest additional value when used in electronic
CAS No. : 546-93-0
HS : 2836991000
ElNECS No. : 231-817-2
Model Name : Electronic grade magnesium carbonate
Appearance : White powder
Grade Standard : Electronic grade
MF : MgCO3
Classification : Magnesium carbonate
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Electronic grade Light magnesium carbonate used in electronic components CAS No. 546-93-0

Electronic grade magnesium carbonate is used as materials for electronic components. Besides, it is also main material for producing high purity MgO, printing ink, fine ceramics, medicine, cosmetics, toothpaster, advanced pigments etc. It has the highest additional value when used in electronic materials.

1, Liangjiang brand – light magnesium carbonate, also called basic magnesium carbonate. Appearance is white monoclinic crystal or amorphous powder. Non-toxic, tasteless, and stable in air. Density ratio is 2.16. slightly soluble in water, aqueous solution present alkalescence. Solubility in water is 0.02%(15℃). Easily soluble in acid and ammonium salt.

2, Liangjiang brand – light grade magnesium carbonate, mainly used as medical intermediate, antacid, color fixative, carrier, anticaking agent; food filler, magnesium compensator; also can be used as filler and fortifier for rubber products, heat resisting fireproofing material. It is widely used in many industries, electric wire, magnesium salt, pigments, paints, daily cosmetics, shipbuilding, boiler producing, sports etc.


Specifications:

Basic data


Chemical name

Electronic grade Light magnesium carbonate

CAS NO.

246-93-0

EINECS NO.

231-817-2

Formula

MgO3

Appearance

white powder

apparent density

2.16 g/cm3

Manufacturer

Shanghai Liangjiang titanium white product co.,LTD

Typical technical index( Standard:HG/T2959-2010 )

NO.

ITEM

UNIT

INDEX

Grade A

Grade B

Grade C

1

MgO content

%

≥41

≥40

≥38

2

Moisture

%

≤2.0

≤3.0

≤4.0

3

CaO content

%

≤0.43

≤0.7

≤1.0

4

Iron

g/100g

≤0.02

≤0.05

≤0.08

5

Chloride content


≤0.1

≤0.15

≤0.30

6

Sulfate content

%

≤0.1

≤0.15

≤0.30

7

Mn content

%

≤0.004

≤0.004

-

8

g/ml

Bulk density

%

≤0.12

≤0.14

-

9

Residue on sieve(150mesh)

%

≤0.025

≤0.03

≤0.05


Adopted plastic woven bags or paper and plastic compound bags, net weight is 20kg, or packaged as customer’s request in 500kgs or 1000kgs bags.


Store in a cool, dry, well-ventilated area away from incompatible substances

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid breathing dust.


Description:


Shanghai liangjiang titanium white product Co., LTD is the name that is trusted by the clients for the manufacturing of Light Magnesium Carbonate in the most precise manner. Our Light Magnesium Carbonate is a Industrial Product, which is mainly used in preparing Antacid Preparations, Talcum/Face Powder, Rubber, Glass, etc. Based on its applicability in various industrial applications, we have claimed a topnotch position in the nationwide markets.


Used in Preparation Of :

  • Antacid preparations
  • Talcum/face powder
  • Rubber
  • Glass
  • Gutka
  • Inks
  • Readymade foods products
    • Vada mix
    • Idli mix
    • Onion
    • Garlic powder
    • Free flow salts
  • Fry pumps
  • Asanti-caking agent
  • Fragrance retainer

Properties :

  • Very Light
  • White in appearance
  • Mesh powder in form

Applications :

  • Flooring & Fireproofing
  • Fire extinguishing compositions
  • Cosmetic industry
  • Dusting powder industry
  • Toothpaste industry
  • Filler material industry
  • Ceramic industry

3, Liangjiang brand magnesium carbonate manufacture process:


Manufacture process of MgCO3, is different based on different route of raw materials. The process is divided into 4 kinds, brine carbonization method, magnesite carbonate method, Asbestos tailings carbonization method, bicarbonate method.


1. fundamental of brine carbonization method


This method takes brine, seawater and other magnesium chloride solution, magnesium sulfate solution as materials, calcined with dolomite or limestone to produce CO2, dolomite lime or lime, and then digesting, carbonization, pyrolysis to get light grade magnesium carbonate.

Dolomite or limestone, after being calcined, watered, and reacted with brine, to get precipitated magnesium hydroxide. And then through carbonization, pyrolysis, washing, dehydration, dry, and smashing, then get finished magnesium carbonate products. The equations as follow:

Calcining dolomite MgCO3·CaCO3→MgO·CaO+2 CO2↑

Or calcining limestone: CaCO3→CaO+2 CO2↑

Digestion: MgO·CaO+2 H2O→Mg(OH)2+Ca(OH)2

Precipitate: MgCl2+Ca(OH)2→Mg(OH)2+CaCl2

Carbonization: Mg(OH)2+ 2 CO2→Mg(HCO3)2

Pyrolysis Mg(HCO3)2→4 MgCO3·Mg(OH)2·4H2O+6 CO2↑

Dolmitic lime in this method, can improve producing capacity of light magnesium carbonate, and reduce content of CaCL2, CaSO4 and other spinoff.


2, Producing magnesium carbonate through magnesite carbonization method


Put magnesite ( particle size 100-300mm ) and anthracite (calorific value 20000-25000 KJ/KG ) into calcining kiln in proportion (7-10):1. Control the temperature at 200-250 degree during pre-heating period, 700-800 degree during calcined period, 100-150 degree during refrigerstion period. Release the kiln gas out from kiln crown, CO2 concentration more than 28%. Get Light burned magnesia from kiln bottom. Smashed magnesia reacts with water to get Mg(OH)2, then carbonation reaction with CO2 to get magnesium bicarbonate. Then trough settling, separating, pyrolysis, filter to get light magnesium carbonate. The chemical equations as follow:

calcine MgCO3→MgO+CO2↑

digestion MgO+ H2O→Mg(OH)2

carbonization Mg(OH)2+2CO2→Mg(HCO3)2

pyrolysis 5Mg(HCO3)2→4MgCO3·Mg(OH)2·4 H2O+6 CO2↑


The process of getting magnesium compound in this method is same as dolomite carbonation. Because of lower Calcium content in magnesite, it needn’t set recycle system of CaCO3 which contains magnesium, and also lower calcium content in finished product magnesium carbonate, so quality is better, cost is lower, more competitive. It is a new technology, need to be paid more attention by factories.


3, Asbestos tailings carbonization method


Chemical component in asbestos tailings is similar to dolomite. Different proportion of calcium and magnesium in different tailings. In some tailings, MgO≦20%,CaO≦29% but SiO2≧20%, LOI≦30%. So should clear way solution in HCL when take this method to produce magnesium carbonate. Energy consumption of unit product is higher than dolomite carbonization method. The chemical equations as follow:

Calcining dolomite MgCO3·CaCO3→MgO·CaO+2 CO2↑

Digestion MgO·CaO+2 H2O→Mg(OH)2+Ca(OH)2

Carbonization Mg(OH)2+ Ca(OH)2+3 CO2→Mg(HCO3)2+ CaCO3↓+ H2O

pyrolysis Mg(HCO3)2→4 MgCO3·Mg(OH)2·4H2O+6 CO2↑


Applications:


According to different applications of magnesium carbonate, it can be divided into industry grade MgCO3, food grade MgCO3, medical grade MgCO3, transparent MgCO3, electrical grade MgCO3, bulk MgCO3 and aciculiform MgCO3 etc.


Light magnesium carbonate is widely used in many fields. In pigments, paints and printing ink industries, MgCO3 can be used to produce high purity magnesium compound. MgCO3 also be used in fireproofing, extinguishant, floor and insulating material industries. In plastic and rubber industries, MgCO3 is used as filler and smoke inhibitor. In addition, in glass, ceramics and chemical medicine producing, MgCO3 also can be used in little. CPU grade MgCO3 can be used as salt additive, antacid in toothpaste and biscuits.


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Product Tags:

MgCO3

      

Magnesium Carbonate Food Grade

      
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