| http://www.w3.org/ns/prov#value | - tional mercaptan, and, more preferably, from about 90 to about 98 weight percent latent mercaptosilane and from about 2 to about 10 weight percent additional mercaptan. [0158] The latent mercaptosilane, if liquid, may be loaded on a carrier, such as a porous polymer, carbon black or mineral filler so that it is in solid form for delivery to the rubber.
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