Poco Graphite Inc

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Man's desire to explore space and safely return led to the development of specialty materials that could withstand high temperatures during reentry. One of these materials in the race to conquer space was a specialty graphite developed by a Texas based aerospace company. Because an alternate material was selected for this application, this unique technology was sold to Pure Oil Company in 1964.

This graphite division became known as POCO, an acronym for the new owner. POCO's specialty graphites finally made it to outer space in 1977. This material was used in the radioisotope thermoelectric generators onboard Voyager I and Voyager II.

In August 2008 POCO was purchased by Entegris, Inc., creating their specialty materials division. For more information visit

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Poco Graphite Inc Contact Information:

  • 300 Old Greenwood Rd
    Decatur, TX 76234
  • Map
  • Phone: (940) 627-2121
  • Hours

    Monday 8:00 am - 5:00 pm
    Tuesday 8:00 am - 5:00 pm
    Wednesday 8:00 am - 5:00 pm
    Thursday 8:00 am - 5:00 pm
    Friday 8:00 am - 5:00 pm