Igwe na-egbuke egbuke
Emebere Agent Brightener Optical iji mee ka ọ dị mma ma ọ bụ welie ọdịdị mkpuchi, nrapado na ihe mkpuchi na-eme ka a na-ahụta mmetụta "ịcha ọcha" ma ọ bụ kpuchie odo odo.
Ndepụta ngwaahịa:
| Aha ngwaahịa | Ngwa |
| Optical Brightener OB | Ihe mkpuchi dabere na mgbaze, agba, ink |
| Optical Brightener DB-X | A na-eji ya eme ihe na agba, mkpuchi, ink wdg |
| Optical Brightener DB-T | Agba na-acha ọcha na pastel ụda dabere na mmiri, uwe mwụda doro anya, varnishes karịrị akarị na nrapado na mkpuchi, |
| Optical Brightener DB-H | A na-eji ya eme ihe na agba, mkpuchi, ink wdg |
Dee ozi gị ebe a ziga anyị ya
