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Manufacturing Industry

Graphite/tungsten makes biocompatible heart valves.

Advanced Materials & Processes,  September, 2001  

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Graphites manufactured by Poco Graphite, Decatur, Texas, are said to have a unique combination of thermal expansion, uniformity, high strength, high purity, and machinability that meets the stringent requirements set for critical materials in the biomedical world. Graphite is a biocompatible material and is suitable for a variety of implants.

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Graphite is also applied in medical devices such as filters for blood dialysis machines, electrodes, and mechanical parts. Most synthetic graphite is made from petroleum coke that is ground and mixed with a binder and then put through a series ...

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