Graphite Purity Is Important For a Variety of Industrial Applications

graphite purity is important for a variety of industrial applications including refractories, lubricants, gaskets and carbon brushes for electric motors. Graphite is also an essential component in the manufacture of electric vehicles (EV) batteries, where it is one of the five active materials that are used to make the anode or current-absorbing part of the battery.

The mineral graphite is a soft crystalline form of carbon, which occurs naturally in metamorphic rocks such as marble, schist and gneiss. It has a high thermal resistance and is resistant to corrosion, as well as being a good conductor of heat and electricity.

Its crystal structure consists of sheets of carbon atoms, which are only held together by weak surface attractions, called Van der Waals forces. This makes it relatively soft and greasy, despite the fact that its sheets have strong chemical bonds between them.

This is why natural graphite is so useful in a wide range of applications, and it's a key material in the emerging green technology economy. New applications, such as EV batteries and other advanced energy technology systems, will drive future demand for graphite.

Graphite is synthesized using two raw materials: a pure carbon carrier, usually coal from crude oil, and pitch as a binder. These are mixed in a complex process to produce a homogeneous mass. This mass is pressed, heated and shaped using processes such as isostatic pressing, extrusion or vibration molding.

The resulting graphitized molded parts are then mechanically processed into a variety of complex components. These include crucibles, furnace bricks, lubricants and friction materials for industrial machines.

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