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Barium carbonate

Barium carbonate

Name:Barium carbonate 

Other name:

HS CODE:28366000 

CAS:513-77-9 

Formula:BaCO3 

Formula WT:197.35 

Usage: It is an important inorganic salt which can be used for TV kinescope, magnetic material, optical glass, ceramics, paint, carburizing of steel, electric welding rod, enamel pigment, rubber, dope, firework, and other barium salt fabrication, etc.

Annual output: 50,000 tons 

Package: powdery package should be plastic bag inside & woven bag outside, and granular package should be Lamination of polypropylene woven bag. The allowable deviation of two specifications of 25kg and 1000kg bags are 25kg±0.2kg and 1000kg±3kg, and measure eligible rate should be 100% within the allowable deviation. Any special package should be agreed by both sides.           

Specifications:

Grade

Fine

Main content(on BaCObasis)

≥(%)

99.2

99.0

98.5

moisture content

≤(%)

0.30

0.30

0.30

hydrochloric acid Insolubility ignition residue

≤(%)

0.15

0.25

0.50

Total sulphur (on SO4 basis)

≤(%)

0.25

0.35

0.45

Chloride(on Cl basis)

≤(%)

0.01

 

 

Fe content

≤(%)

0.004

0.004

0.008

Fineness

Powdery 125μm screenings 

≤(%)

0.20

0.30

0.50

Granular 850μm screenings

≤(%)

1

1

1

Granular 150μm screenings

≤(%)

85

85

85

Note: 1. The powdery 45μm experimental screenings of ceramic capacitor≤1%;

          2. The hydrochloric acid Insolubility ignition residue content index of wet granular product should be agreed by both sides.                    

                        

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