| 摘要 |
PROBLEM TO BE SOLVED: To provide a vulcanizable fluororubber composition which gives a vulcanized product excellent in compression set and the like and is comparatively less poisonous. SOLUTION: This composition comprises (a) a tetrafluoroethylene/ perfluoroalkyl vinyl ether copolymer, (b) an organic peroxide, (c) a co- crosslinking agent and (d) hydrotalcite. The copolymer (a) preferably contains an iodine or bromine atom. Preferably, the composition further contains carbon black or titanium oxide.
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