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various kinds of graphite products or according to your secification.
Graphite is used in the mechanical seal parts. It has a good erode-resisitant ability. It can stand against cauterizstion from acid, alkali, salt and all organic compound except strong oxidation material . Because of its special ideal lubricative ability, the rub coefficient is between 0.04 and 0.05 and under the situation of hydrokineties, the rub coefficient is between with 0.08 and 0.10 . It also had a high heat-transmiting coeficient(100~110kilo-calorie/metre hour degree) , lower line expanding coefficient(2~3*10-6) , favorable anti-temperature deformation and machining ability.
Graphite which has a good erode-resistand ability, can-stand against from acid, alkali, salt and all oranic compound except strong oxidation material is used in the field of mechanical seal parts.