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graphite block: graphite square

Specifications

Graphite block is a new type of material. Graphite block is used in precision tool, aerospace industry ,war industry ,chemical industries .They are of high-strength ,high purity, low resistivity ,resistance to high temperature ,good resistance to shake and oxidation ,and tend to be processed elaborately.
It is widely used for EDM machining, mould for sintering diamond, crystallizer for horizontal continuous casting, crucible for melting nonferrous metal, industrial furnace, heating element in vacuum furnace, etc.
• Specification
Items 
Unit 
Grade:GSK
Max Grain Size 
mm
4.0
2.0
2.0
0.8
Bulk Density ≥
g/cm3
1.58
1.60
1.70
1.72
Resistance  ≤
uΩ.m
10.0
9.0
8.5
8.5
Strength     ≥
Mpa
7.5
7.8
13.0
13.5
Compressive Strength
Mpa 
20.0
20.0
28.0
30.0
CET(100-600°C)≤ 
×10-6/°C
2.3
2.3
2.5
2.5
Ash     ≤
%
0.5
0.5
0.5
0.5
Size
mm
400×400×1850    500×500×1850   400×400×2200
450×450×1850    500×500×2200   540×540×1850