Graphite Block

Material Graphite
Special features: High purity, fine grain, good performance of electrical conductivity and thermal conductivity, high density, good corrosion resistance, thermal shock resistance, thermal stability, high mechanical strength, low permeability, and good oxidation resistance
The raw material is capable of producing various semiconductor molds and radio tube
Materials index:

Product Size
GSK Grade
Item
Width
Height
Length
Size/mm
400
400
1800-2600
Max.Length:3500mm
Max.Width : 850mm
Max.Height: 800mm
500
500
1800-2600
650
400
1800-2600
850
400
1800-2600
TSK/PSK Grade
Item
Width
Height
Length
Size/mm
445
435
2800-3100
Max.Length:3500mm
Max.Width : 850mm
Max.Height: 800mm
585
545
2800-2900
485
590
2800-2900
1010
545
2800-3000
Technical Properties
Item
Unit
GSK
TSK
PSK
Max.Grain Size
mm
0.8
2
4
Electric Resistivity
μΩm
≤8.5≤13
≤9
≤10
Bulk Density
g/cm3
≥1.72
≥1.68
≥1.62
Compressive Strength
Mpa
≥35
≥30
≥28
Bending Strength
Mpa
≥14.5
≥13.5
≥8
Ash Content
≤0.2
≤0.3
≤0.3
C.T.E.
10-6/ºC
≤2.5
≤2.3
≤4