Carbon
We are processing and selling products such as Graphite (Synthetic Black Lead) Plates (Setters), Crucibles, etc.
These products are used as Refractory, Thermal Insulation Materials and various furnace materials.
If you wish to purchase our carbon, please choose materials from Table of Physical Properties for Carbon (Graphite / Synthetic Black Lead).
If you are interested in our consignment manufacturing of carbon, please feel free to contact us.
We are adept at mass production of large sized products making the best use of Machining Centers and NC Lathes.
Table of Physical Properties for Carbon (Graphite / Synthetic Black Lead)
| Product group | GM1 | GM2 | GE1 | |
|---|---|---|---|---|
| Method of Shaping | Molding | Extrusion | ||
|
Chemical Ingredients (Wｔ%) |
C | 99.8% | 99.9% | 99.7% |
| Ash Content | 0.2% | 0.1% | 0.3% | |
|
Specific Gravity (g/cm3) |
1.72 | 1.74 | 1.65 | |
|
Porosity (%) |
15 | 14 | 19 | |
|
Flexural Strength (MPa) |
16.5 | 20.0 | 11.0 | |
|
Intrinsic resistance (μΩｍ) |
≦8.5 | ≦8.5 | ≦9 | |
|
Coefficient of Thermal Expansion(RT～1000℃) (ｘ10-6/K) |
3.4 | 3.4 | 2.5 | |
|
Hardness (Shore) |
30 | 35 | 25 | |
|
Maximum Particle Diameter (mm) |
0.8 | 0.8 | 4 | |
| Intended Application |
Jigs for sintering Crucibles V-shaped setter Boat |
Jigs for sintering Crucibles Plate |
Setter Rod |
|
Powder Metallurgy
We will process special metals or special ceramics (metal oxide or metal nitride).
OEM (Consignment Manufacturing) Business
We will, on consignment, not only prepare for raw materials by powder metallurgy method but also shape, process and sinter them.
please feel free to e-mail us.
E-mail : eigyo@maruwai.co.jp