Ngenxa yokunyuka kwexabiso le-aniline ekrwada, amaxabiso e-Solvent Black 5 kunye ne-Solvent Black 7 anyuke kakhulu, kwaye unikezelo lwabo beluqinile.
Ukongeza, ixabiso le-asidi ekrwada yenyuka.Ngenxa yoko, ixabiso le-Disperse Black EXSF kunye ne-Disperse Black ECO linyuke kancinci ukusuka kwisiqingatha senyanga edlulileyo.