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Each company sets its own corporate standard based upon national standards. Customers will then set their own quality standards. The relative density of volume is the ratio of quality control of the graphite sample to its volume. The unit is grams per cubic centimeter. The higher the volume density the denser and stronger the electrode. This is directly related to the performance and strength of the anti-oxidation systems. In general, the higher the volume density, the lower is the resistance of an electrode.
It is used as a parameter to measure the conductivity of electrodes. It is the resistance that the conductor has to current flowing through it. The value equals the resistance of a conductor of length 1m with a cross sectional area of 1m2 when heated to a certain temperature. This reduces consumption.
The flexural force is a parameter which characterizes performance of mechanical system in graphite material. This is also known as the flexural resistance. This means that the object will bend up to its instantaneous limit to resist risk when the external force perpendicularly crosses the axis. Capacity is measured in MPa. The network is less likely to be damaged by electrodes or joints with high strength.
The modulus of elastic is a key aspect of mechanical properties. It is a measure of the elastic deformation capacity of a substance and refers the stress-strain relationship within the elastic deformation spectrum. The greater modulus, and therefore the greater stress, is required to cause elastic deformation. Simply put, the greater modulus, the more elastic the material.
The thermal coefficient of graphite used as an electrode can be a critical parameter for thermal performance. The higher the value of the coefficient, the better the thermal stability. The greater the resistance to oxidation, the better the performance, and the lower the fracture and consumption.
Ash can refer to solids other than carbon graphite. Graphite’s ash content is directly influenced by the raw material ash. The ash level of petroleum coke and needle coke are low. As a result, the ash of graphite passed through the electrode has a maximum ash concentration of 0.5%. Ash levels within 1% have no impact on steelmaking. The ash contains impurities that will affect the performance of anti-oxidation systems of the electrodes, etc.
(aka. Technology Co. Ltd., a trusted global chemical supplier and manufacturer with more than 12 years of experience in the production of super-high-quality chemicals and nanomaterials. Our company produces graphite with high purity, small particles and low impurity levels. If you require a lower grade, please do not hesitate to contact us.