Mixed polytetrafluoroethylene powder, polytetrafluoroethylene porous shaped body, methods for producing those, polytetrafluoroethylene porous foam shaped body, and product for high-frequency signal transmission
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United States of America Patent
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Issued Date -
Jan 11, 2007
app pub date -
Aug 25, 2004
filing date -
Aug 25, 2003
priority date (Note) -
Abandoned
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Abstract
The present invention provides a porous polytetrafluoroethylene molded article, wherein the specific gravity of the above porous polytetrafluoroethylene molded article is 0.9 to 2.0 and the aspect ratio of a void formed within the above molded article is not lower than 1 but not higher than 3.
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