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  • Product name: Isostatic Graphite Block and Round
  • Product Number: 022
  • Added time: 2013-08-26
  • Views : 136

Formed by means of CIP (cold isostatic pressing) technique, isostatic graphite is characterized by its homogeneous structure and excellent isotropic electrical, thermal and mechanical properties. Sometimes it is purified in special-designed graphitization furnace to remove non-carbonaceous impurities. It is widely used in a variety of industrial and scientific engineerings as a structural and/or functional material.

Applications
● Molds in continuous casting systems for making shaped steel, cast iron, copper;
● Sintering molds for cemented carbides, diamond tools and electronic components;
● Molds for making shaped glass;
● Crucibles for melting precious metals or alloys;
● Electrodes for EDM;
● Heating elements, heat shields, crucibles, boats in furnaces for pulling monocrystalline silicon or
  optical fibers;
● Anodes for production of manganese dioxide, metallic magnesium and rare metals;

● And so on.

Programmable properties
● Fine grain
● Homogeneous structure
● Isotropic properties
● High density and high mechanical strength
● High thermal and chemical resistance
● High resistance to thermal shock
● Proper electrical conductivity
● High oxidation resistance
● Low ash

 

Typical Sizes
 

Blocks
  Length x Width x Thickness (mm)
550×300×160,770×400×180,360×360×400,400×400×400,
400×400×500,400×400×600
Rounds

  Diameter (mm):130,220,250,300,350,400,450,500
Thickness (mm):280,320,400,450,500,600,650

*Other dimensions are available on request.


Specifications

 

Specifications
Unit
Value
   Bulk Density

g/cm3

1.70-1.88

   Specific Resistance

μ Ω·m

8.0-15.0

   Compressive Strength

MPa

35-80

   Bending Strength

MPa

20-45

   Shore Hardness

 

30-70

   C.T.E. (100-600℃)

×10-6/℃

2.5-5.5

   Ash (Normal Grade)
%
0.05-0.2
   Ash (purified)
ppm
30-50
   Maximum Grain Size
mm
0.044-0.8

Note: The values mentioned in this table are only for reference and not committed to any contract.