Среднезернистый графит
Brief introduction to produpts
The maximum grain size of our extruded graphite is 0.5mm &0.8mm. With advanced technology and our own experiences, we become the first one in China to use extrusion technology to develop this new carbon material. The structure and technical data of our product is completely diffetrent from vibration and molded graphite,and its specification has reached the international advanced level of extruded graphite.
Extruded graphrte has better properties compared with ordinary graphite, like suitable electric resistivity,homogeneous structure, chemical corrosion resistance, antioxidant properties, high temperature stability. It could work in various harsh environment of high temperature and maintain the desired mechanical strength.
Available sizes：
Rods：dia.169-500x Max.2600mm
Blocks：400 x 400 x Max.2400mm, 500 x 300 x Max.2400mm
Customized machined components
Typical physical properties for (graphite products)
|
Product Mumber
|
RG-05A
|
RG-05B
|
RG-08A
|
RG-08A
|
|
Maximun grain size mm
|
0.5
|
0.5
|
0.8
|
0.8
|
|
Bulk density g/cm³
|
1.73
|
1.66
|
1.73
|
1.66
|
|
Electrical Resistivity uΩ.m
|
8
|
8
|
8
|
8
|
|
Flexural strength Mpa
|
23
|
18
|
22
|
16
|
|
Compressive Strength Mpa
|
38
|
35
|
35
|
30
|
|
Elastic modulus Gpa
|
13
|
12
|
13
|
11
|
|
Thermal expansion coefficient 10-6/℃ C.T.E.(To 600℃)
|
2.5
|
2.5
|
2.5
|
2.5
|
|
Porosity%
|
22
|
24
|
22
|
24
|
|
Shore hardness HS
|
33
|
30
|
33
|
30
|
|
Thermal conductivity W/mK
|
140-200
|
|||
|
Ash
|
Max.2000 PPM, after purification can be max.50PPM
|
|||
Note:The above figures are tipical Values and are not guaranteed Values
Typical physical properties for (Carbon Proucts)
|
Product Mumber
|
RG-05AT
|
RG-05BT
|
|
Bulk density g/cm³
|
1.75
|
1.70
|
|
Electrical Resistivity uΩ.m
|
35
|
35
|
|
Flexural strength Mpa
|
35
|
30
|
|
Compressive Strength Mpa
|
70
|
70
|
|
Thermal expansion coefficient 10-6/℃ C.T.E.(To 600℃)
|
2.6
|
2.6
|
|
Porosity%
|
22
|
22
|
|
Shore hardness HS
|
85
|
75
|
|
Impact toughness（J/cm²）
|
0.14
|
|
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