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Carbon graphite for machinery

Short Description:

Carbon graphite is a high-end industrial material, composed of carbon and graphite crystals. Carbon graphite has excellent heat resistance, corrosion resistance, thermal conductivity and conductivity, so it is widely used in electric power, metallurgy, chemical industry, aviation, aerospace, semiconductor and other fields.


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Main characteristics of carbon graphite

High temperature resistance: carbon graphite has excellent high temperature resistance and can maintain stability for a long time. Generally, it can be used at high temperatures from 3000 ℃ to 3600 ℃, but its thermal expansion rate is very small, and it is not easy to deform at high temperatures.

Corrosion resistance: carbon graphite can resist the erosion of various corrosive media. Because of its good chemical stability, it can be compatible with many organic and inorganic acids, alkalis and salts without corrosion or dissolution.

Conductivity and thermal conductivity: carbon graphite is a good conductor with good conductivity and thermal conductivity. Therefore, it is widely used in electrofusion and electrochemical machining.

Low friction coefficient: carbon graphite has low friction coefficient, so it is often used to make sliding materials or parts.

Common carbon graphite products

Heat exchanger: The heat exchanger made of carbon graphite is an efficient heat exchanger, which can be used in chemical, electric power, petrochemical and other fields. It has good corrosion resistance and efficient heat transfer performance.

Electrode material: carbon graphite electrode is mainly used in metallurgy and chemical industry, and can be used in high temperature, high pressure and corrosive applications such as electric arc furnace and electrolytic tank.

Heat transfer plate: carbon graphite heat transfer plate is a kind of efficient heat transfer material, which can be used to manufacture high-power LED, energy-saving lamp, solar panel, nuclear reactor and other fields.

Mechanical seal material: carbon graphite mechanical seal material has good wear resistance, corrosion resistance and low friction coefficient, and can be used to manufacture sealing materials and other high-end mechanical parts.

Carbon graphite heat pipe: carbon graphite heat pipe is an efficient heat pipe material, which can be used to manufacture high power electronic components, electrical radiator and other fields.

In short, as a high-end industrial material, carbon graphite has many excellent properties and wide application fields. With the development of science and technology and the continuous expansion of application, carbon graphite will play an increasingly important role in the future.

Common carbon graphite products

 Technical performance index of carbon graphite/impregnated graphite

type

Impregnated Material

BulkDensity g/cm3(≥)

Transverse Strength Mpa(≥)

Compressive strength Mpa(≥)

Hardness Shore (≥)

Porostiy%(≤)

Usage temperature℃

Pure Carbon Graphite

SJ-M191

Pure carbon graphite

1.75

85

150

90

1.2

600

SJ-M126

Carbon graphite(T)

1.6

40

100

65

12

400

SJ-M254

1.7

25

45

40

20

450

SJ-M238

1.7

35

75

40

15

450

Resin-Impregnated Graphite

SJ-M106H

Epoxy Resin(H)

1.75

65

200

85

1.5

210

SJ-M120H

1.7

60

190

85

1.5

SJ-M126H

1.7

55

160

80

1.5

SJ-M180H

1.8

80

220

90

1.5

SJ-254H

1.8

35

75

42

1.5

SJ-M238H

1.88

50

105

55

1.5

SJ-M106K

Furan Resin(K)

1.75

65

200

90

1.5

210

SJ-M120K

1.7

60

190

85

1.5

SJ-M126K

1.7

60

170

85

1.5

SJ-M180K

1.8

80

220

90

1.5

SJ-M238K

1.85

55

105

55

1.5

SJ-M254K

1.8

40

80

45

1.5

SJ-M180F

Phenolic Resin(F)

1.8

70

220

90

1.5

210

SJ-M106F

1.75

60

200

85

1.5

SJ-M120F

1.7

55

190

80

1

SJ-M126F

1.7

50

150

75

1.5

SJ-M238F

1.88

50

105

55

1.5

SJ-M254F

1.8

35

75

45

1

Metal-Impregnated Graphite

SJ-M120B

Babbitt(B)

2.4

60

160

65

9

210

SJ-M254B

2.4

40

70

40

8

SJ-M106D

Antimony(D)

2.2

75

190

70

2.5

400

SJ-M120D

2.2

70

180

65

2.5

SJ-M254D

2.2

40

85

40

2.5

450

SJ-M106P

Copper Alloy(P)

2.6

70

240

70

3

400

SJ-M120P

2.4

75

250

75

3

SJ-M254P

2.6

40

120

45

3

450

Resin Graphite

SJ-301

hot-pressed graphite

1.7

50

98

62

1

200

SJ-302

1.65

55

105

58

1

180

 

Chemical Properties of Carbon Graphite/ Impregnated Graphite

Medium

potency%

Pure carbon graphite

Impregnated resin graphite

Impregnated resin graphite

Resinous graphite

Phenolic aldehyde

Epoxy

Furan

Antimony

Babbitt alloy

Alufer

Copper alloy

Hydrochloric acid

36

+

0

0

0

-

-

-

-

0

Sulphuric acid

50

+

0

-

0

-

-

-

-

-

Sulphuric acid

98

+

0

-

+

-

-

0

-

0

Sulphuric acid

50

+

0

-

0

-

-

-

-

0

Hydrogen nitrate

65

+

-

-

-

-

-

0

-

-

Hydrofluoric acid

40

+

0

-

0

-

-

-

-

0

Phosphoric acid

85

+

+

+

+

-

-

0

-

+

Chromic acid

10

+

0

0

0

-

-

0

-

-

Ethylic acid

36

+

+

0

0

-

-

-

-

+

Sodium hydroxide

50

+

-

+

+

-

-

-

+

-

Potassium hydroxide

50

+

-

+

0

-

-

-

+

-

Seawater

 

+

0

+

+

-

+

+

+

0

Benzene

100

+

+

+

0

+

+

+

-

-

Aqueous ammonia

10

+

0

+

+

+

+

+

-

0

Propyl copper

100

+

0

0

+

+

0

0

+

0

Urea

 

+

+

+

+

+

0

+

-

+

Carbon tetrachloride

 

+

+

+

+

+

+

+

+

+

Engine oil

 

+

+

+

+

+

+

+

+

+

Gasoline

 

+

+

+

+

+

+

+

+

+


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