Expanded Porous Polytetrafluoroethylene Film-Laminated Sheet, and Gasket Composed of Said Sheet
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Jul 21, 2014
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May 27, 2010
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Abstract
The laminated sheet of this invention is a sheet including expanded porous polytetrafluoroethylene films laminated by thermal compression bonding, wherein the sheet has a specific surface area of 9.0 m2/g or larger and a density of from 0.4 g/cm3 to lower than 0.75 g/cm3, thereby making it possible to improve both the creep resistance and the adhesiveness between the films of the expanded porous PTFE film-laminated sheet.
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