Mae gan yr hyrwyddwr rwber a ddefnyddir yn gyffredin chwe chategori:
Math thiazole: M (2-Mercaptan), DM (bis (disulfide diphenyl) a thiazole)
Is-sulfonamide: CBS (bensen N-ring a thiazole amide), Tbbs (ffinyl n-tert-butyl a Thiazole secondary sulfonamide), NOBS (n-diethyl bensen a thiazole secondary secondary sulfonamide), DZ (n, N '- Bensen dwy-gylch a sulfonamid uwchradd thiazole
Cig Oen yr Hydref: TMTD (disulfide pedwar-dimethyl), TMTM (sylffid cig oen pedy-methyl-hydref), tetd (disulfide, Oen yr Hydref), DPTT (cig oen pum-is-methyl-hydref)
Saladau asid carboxylig: zdc (disulfide diethyl), BZ (disulfide dibutyl), PZ (dau sinc disulfide methyl (ii) carbamate),
Math guanidine: D (guanidin)
Arall