Compounding ingredient used in small amounts to increase the crosslinking efficiency of certain non-sulfur vulcanizing systems or to modify the properties given by such systems. Note: The term is usually identified with additives used to modify vulcanization by organic peroxides.

(r) a compounding ingredient used in small amounts to increase the cross-linking efficiency of certain no-sulfur vulcanizing systems or to modify the properties given by such systems.

a reactive chemical that acts in conjunction with a nonsulfur cure system, typically peroxide, to increase efficiency of the crosslinking reaction

An associate in an act; a coworker.