FLEXIBLE, HIGH PURITY EXPANDED GRAPHITE SHEET, METHOD OF PRODUCING SAME, AND CARBON CRUCIBLE LINING USING SAID SHEET
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United States of America Patent
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app pub date -
Jun 5, 2009
filing date -
Jun 18, 2002
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Abandoned
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Abstract
The invention provides a flexible, highly pure expanded graphite sheet characterized by having an impurity content of 10 ppm or less and such a degree of flexibility that a sample thereof, 10×100 mm in size can withstand at least 10 times of bending in flexibility test comprising repeatedly bending the sample, with a 50-g weight suspended from one end thereof, by means of bending bodies with a diameter of 6 mm.
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