Carbon Graphite Block/High density Molded Graphite Block/Isostatic Graphite Block Fine size,Vibrating carbon ,Extruded graphite block
The types of the graphite block:
According to the shape, we have square block and round block
According the size, we can produce all kinds of size as our customers' requirements.
Typical sizes:
Block (mm): 400x400x1800; 500x500x1950, 500x330x1950, 500x430x1950, 520x350x2150, 630x630x2200, 600x500x2200, 820x340x2100, 520x350x2600, 1100x11000x350
Physical and chemical index
| Item | Unit | Grade | |||||
| Max Grain Size | mm | 0.8 | 0.8 | 2 | 2 | 4 | 4 |
| Bulk Density | g/cm³ | ≥1.70 | ≥1.73 | ≥1.58 | ≥1.70 | ≥1.57 | ≥1.69 |
| Specific Resistance | µΩ.m | ≤8.5 | ≤8.0 | ≤11.5 | ≤8.5 | ≤11.5 | ≤8.5 |
| Flexural strength | Mpa | ≥10.0 | ≥12.0 | ≥6.0 | ≥9.0 | ≥6.5 | ≥9.5 |
| Compressive Strength | Mpa | ≥24.0 | ≥31.0 | ≥18.0 | ≥30.0 | ≥17.5 | ≥29.0 |
| Thermal Conductivity | W/(m.K) | ≥120 | ≥130 | ||||
| C.T.E(100-600)ºC | 10-6/°C | ≤2.5 | ≤2.5 | ≤2.5 | ≤2.5 | ≤2.5 | ≤2.5 |
| Ash Content | % | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 |
| Item | Unit | OZIM-1 | OZIM-2 | OZIM-3 |
| Grain | mm | ≤325mesh | ≤325mesh | ≤325mesh |
| Bulk density | g/cm³ | ≥1.68 | ≥1.78 | ≥1.85 |
| Specific resistance | µΩ.m | ≤14 | ≤14 | ≤13 |
| Flexrual strength | Mpa | ≥25 | ≥40 | ≥45 |
| Compressive strength | Mpa | ≥50 | ≥60 | ≥65 |
| Ash content | % | ≤0.15 | ≤0.1 | ≤0.05 |
Isostatic graphite
| Item | Unit | Domestic material | Import material |
| Bulk dengsity | g/cm³ | 1.8-1.85 | 1.92 |
| Specific resistance | μΩ.m | ≤15 | 10 |
| Flexrual strength | Mpa | ≥40 | 63.7 |
| Compressive strength | Mpa | ≥85 | |
| Thermal conductivity | W/(m.k) | 128 | |
| Ash content | % | ≤0.03 | |
| C.T.E(100-600)°C | 10-6/°C | 4.0-5.2 | 5.5 |
| Shore hardness | ≥65 | 68 |
Application:
1. Refractory material:
Widely used in the metallurgical industry.
2. Conducting material:
In the electronics industry, widely used for graphite electrode, brush,, etc
3. Wear-resisting material and lubricant:
Use graphite as wear-resisting and lubrication materials, can be 100m/s speed sliding in - 200 ~ 2000 °C temperature range, no or less lubricanting oil.
4. Sealing material:
It can be as sealing ring in the equipment, such as centrifugal pump, hydraulic turbine ,etc.
5. Anticorrosion material:
Widely used in petroleum, chemical, hydrometallurgy departments.
6. Protection materials:
Insulation, high temperature resistant, radiation
7. Furnace parts:
resistance heating elements, induction susceptor, structural elements and charging plates, furnace linings, heat shields and covers for pulling monocrystalline silicon or optical fibers, etc.
8. Anodes for the electrolysis of metals.
9. Parts for heat exchangers.
Application industry
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 & rare metals and etc.
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
Package
The finished high-purity graphite is placed in a wooden box after packaged with moisture-proof paper or a plastic bag, and should be marked with "Fragile, Keep Dry".
The main products are : carburant for casting, high purity graphite, fine structure graphite, graphite electrode; all kinds of graphite products which manufactured according to the customer requirement, e.g. graphite crucible, Ggraphite felt , graphite yarn graphite mold, graphite crystallizer, graphite sealing ring, graphite rod, graphite block, graphite ring, graphite wheel, graphite liner, self lubrication graphite bearing.