Home » Graphite Powder (C, Purity: 99%, APS: 40-50µm)
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Particles Size Analysis – Graphite Powder
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Graphite Powders are very fine black powders that offer good lubrication properties for a variety of applications. Graphite powder can be used as a dry lubricant in its original form or as a lubrication additive in greases, oils or colloidal solutions. Graphite contains high levels of carbon and therefore offers good electrical conductivity.
Graphite is soft and flexible, but not elastic. It cannot be stretched. It is a black, naturally occurring form of carbon, just like diamonds, which are much harder and transparent. Graphite tends to stain surfaces that it comes into contact with. Although it is a nonmetal with a very high melting temperature, it does have some characteristics of metal.
Natural Graphite is a mineral consisting of graphitic carbon. It varies considerably in crystallinity. Most commercial (natural) graphites are mined and often contain other minerals. Subsequent to mining the graphite often requires a considerable amount of mineral processing such as froth flotation to concentrate the graphite. Natural graphite is an excellent conductor of heat and electricity. It is stable over a wide range of temperatures. Graphite is a highly refractory material with a high melting point (3650°C).
High purity electrographite is used in large amounts for the production of moderator rods and reflector components in nuclear reactors. Their suitability arises from their low absorption of neutrons, high thermal conductivity and their high strength at temperature.
Graphite powders contain many unique physical properties, including superior electrical and thermal conductivity, highly crystalline structure, high purity, temperature stability, lubricity and inertness. Such diverse characteristics make graphite an ideal choice for a wide variety of applications.
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