| http://www.w3.org/ns/prov#value | - 56] The vulcanizing agents include, for example, sulfur, morpholine, disulfides, and other sulfur compounds, as well as organic peroxides. [0057] The vulcanization accelerators include, for example, thiazole accelerators, thiuram accelerators, and sulfenamide accelerators. [0058] The vulcanization accelerator aids include, for example, active zinc-white and magnesium oxide. [0059] The retarders in
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