Graphite Seal

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Graphite Seal
Posting date : Jun 09, 2010
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Free Member Scince Jun 04, 2010
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84-
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Structure feature: Carbon/graphite is the most widely material,which used on friction pair.It is made of kinds of carbon material(such as hard coke,carbon black,coal,graphite).Compared with other non-metallic material,possessing good corrosion resistance,it not only has oxido-medium resistance(such as aqua fortis, nitric acid,the dencity above 60% chromic acid,potassium bichromate, Potassium permanganate,and 10%fluorine,100%bromine and ammonia),but also has corrosion of any density acid,alkia,salt solutions.It has self-lubricating properties.When the graphtie wear with metalic material,the friction is 0.04-0.05.It has high thermal conductivities.Under 3000℃,it has educibility.It has high stablity and low coeffcient of linear expansion in the neutral medium.

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