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Special barium sulfate (special for brake pads)

Classification:

Barium sulfate

English Name:

Barium sulfate

Molecular formula:

BaSO₄

Molecular weight:

233.39 (according to the 1979 International Atomic Scale)

CAS No:

13462-86-7

EINECS:

236-664-5

H.S. Encoding:

2511100000


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Product Description

 
Special barium sulfate (special for brake pads)
 
 
The main specifications are:405 g/m2
 
 
Performance:White powder, relative density 4.0-4.5, insoluble in water, acid, alkali and other solvents, but soluble in strong acid and concentrated sulfuric acid. Heat resistance, acid resistance, alkali resistance, non-toxic, tasteless.
 
 
Features:"YLFT" brand natural barium sulfate has the characteristics of strong chemical inertness, good stability, acid resistance, alkali resistance, water resistance, moderate hardness, high specific gravity, high whiteness, etc., and is an environmentally friendly material that can absorb harmful rays. At the same time can also improve product stiffness, viscosity and wear resistance. Make the product luster bright, weather resistance, good stability. Can replace part of the precipitated barium sulfate, titanium dioxide, active silica and other high-priced raw materials, reduce costs.
 
 
Scope of application:Widely used in various coatings, plastics, rubber, paint, ink and other industries. Can be used for acid-resistant rubber products and general products. Can also be used as a surface coating agent, sizing agent, weighting agent, also used in papermaking, ceramics, batteries, enamel, cosmetics and other fields. Can also be used for food contact packaging products, as well as heavy anti-corrosion areas.
 
 
Technical indicators
 

Measurement Items

Testing Items

Unit

Units

special barium sulfate

YL-1250

special barium sulfate

YL-2000

special barium sulfate

YL -3000

special barium sulfate

YL -5000

specific surface area

Specifc Surface Area

 

C㎡/g

 

10000±500

 

14000±500

 

17500±500

 

23500±500

average particle size

Average Parcicle Size

 

um

 

3.1±0.3

 

2.0±0.3

 

1.6±0.3

 

1.2±0.3

Specific Gravity

Specific Gravity

 

g/cm 3

 

4.3

 

4.3

 

4.3

 

4.3

Water

Moisture

 

max

 

0.20

 

0.20

 

0.20

 

0.20

barium content

Baso4

 

% ﹪

 

95

 

96

 

97

 

97

water soluble substance

Water soluble matter

 

% ﹪

 

0.10

 

0.10

 

0.10

 

0.10

IronFe

% ﹪

0.003

0.003

0.003

0.003

PH value

 

7.5-9.5

7.5-9.5

7.5-9.5

7.5-9.5

oil absorption(%)

Oil Absorption Value

 

°

 

8-12

 

9-13

 

9-14

 

10-14

Whiteness

Whiteness

 

°

 

90±1

 

90±1

 

91±1

 

91±1

Packing net weight

Net Weight

 

Kg

 

25

 

25

 

25

 

25

 

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