I-Optical Brightener Agent yenzelwe ukukhanyisa okanye ukuphucula ukubonakala kweengubo, izincamathelisi kunye nezitywini ezibangela isiphumo "sokwenza mhlophe" okanye ukufihla ukutyheli.
Uluhlu lwemveliso:
| Igama lemveliso | Isicelo |
| I-Optical Brightener OB | Ipeyinti, ipeyinti, ii-inki ezisekelwe kwi-solvent |
| I-Optical Brightener DB-X | Isetyenziswa kakhulu kwiipeyinti ezisekelwe emanzini, kwiingubo, kwii-inki njl.njl. |
| I-Optical Brightener DB-T | Iipeyinti ezimhlophe nezinemibala eqaqambileyo ezisekelwe emanzini, ii-claircoat ezicacileyo, ii-overprint varnishes kunye ne-adhesives kunye ne-sealants, |
| I-Optical Brightener DB-H | Isetyenziswa kakhulu kwiipeyinti ezisekelwe emanzini, kwiingubo, kwii-inki njl.njl. |