Typical properties of extruded and vibration molded graphites
- Thermally and electrically conductive
- Resistant to bending
- High thermal and chemical resistance
- High thermal shock resistance
Our fine-grain graphites all stand for high mechanical strength, good lubrication properties as well as low static charge. Our purification furnaces, operated for this specific purpose, guarantee the purification levels our customers demand.
Applications where extruded and vibration molded graphite is used
We support the metal industry with innovative and powerful materials. Thanks to their technical characteristics, these materials ensure quality, cost-effectiveness and environmental compatibility, from the achievement of the highest purity grades through to the streamlining of mechanical processing and on to saving on flushing gas. In addition, our materials and products enhance the performance of systems and processes in numerous applications.
Fine-grain graphite manufacturing
The production processes for synthetic carbon and synthetic graphite materials are equivalent to those applied in the ceramic industry. The solid raw materials coke and graphite are first milled and then mixed with binder pitch in mixers. Afterwards the shaping process such as isostatic pressing, extrusion, vibration molding, or die molding takes place.
The shaped bodies, called “green” material, are then carbonized in an oxygen free environment and graphitized before they can undergo further mechanical processing to be turned into complex shapes. Optional further refinements such as purification and coating e.g. with silicon carbide are possible.