| http://www.w3.org/ns/prov#value | - tely contain an inorganic filler such as carbon black, silica, etc.; an acid acceptor such as oxides or hydroxides of divalent metals (e.g. ZnO, CaO, Ca(OH).sub.2, MgO, PbO, etc.) orsynthetic hydrotalcite, etc.; a processing aid such as polyethyleneglycol monomethyl ether, Crown ether, etc.; a plasticizer; a stabilizer; pigments; and other necessary additives.The fluorine-containing elastomer obta
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