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Fine Grain Graphite
Fine grain graphite is a structural & functional material for many industrial and scientific engineerings.
Production
l Raw materials: high quality pitch coke & petroleum coke.
l Die-molded, baked and graphitized under precise process control.
l Usually machined to specific shapes for various purposes.
Applications
l Molds, chutes, sleeves, sheathes, linings, etc. in continuous casting systems for making shaped steel, cast iron, copper, aluminum;
l Sintering molds for cemented carbides and diamond tools;
l Sintering molds for electronic components;
l Electrodes for EDM;
l Heaters, heat shields, crucibles, boats in some industrial furnaces (such as furnaces for pulling monocrystalline silicon or optical fibers) ;
l Bearings and seals in pumps, turbines and motors;
l and so on.
Programmable properties
l Fine grain
l Homogeneous structure
l High density
l Excellent thermal conductivity
l High mechanical strength
l Proper electrical conductivity
l Minimum wettability to molten metals
Typical Sizes
|
Blocks |
Length x Width x Thickness (mm) 200×200×70, 250×130×100, 300×150×100, 280×140×110, 400×120×120, 300×200×120, 780×210×120, 330×260×120, 650×200×135, 650×210×135, 380×290×140, 500×150×150, 350×300×150, 670×300×150, 400×170×160, 550×260×160, 490×300×180, 600×400×200, 1000×500×250, 400×400×400 |
|
Rounds |
Diameter (mm): 60, 100, 125, 135, 150, 200, 250, 300, 330, 400, 455 Thickness (mm): 100, 135, 180, 220, 250, 300, 450 |
* Other dimensions are available on request.
Specifications
|
Specifications |
Unit |
Value |
|
Bulk Density |
g/cc |
1.70 ― 1.85 |
|
Compressive Strength |
MPa |
25 ― 70 |
|
Bending Strength |
MPa |
15 ― 40 |
|
Shore hardness |
|
30 ― 50 |
|
Specific Resistance |
μ Ω·m |
8.0 ― 15.0 |
|
Ash (Normal Grade) |
% |
0.05 ― 0.2 |
|
Ash (purified) |
ppm |
30 ― 50 |
|
Grain Size |
micron |
44 |
Note: The values mentioned in this table are only for reference and not committed to any contract.
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