| http://www.w3.org/ns/prov#value | - The fluorine-containing elastomer composition comprising the above-mentioned components as essential ones can further contain an inorganic filler such as carbon black, silica, etc., an acid acceptor such as oxide, hydroxide or stearate of a divalent metal, litharge, etc., a vulcanization aid such as Crown ether, quaternary ammonium salt, quaternary phosphonium salt, etc., and other additives, as d
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