I-Hydroxypropyl Methyl Cellulose (HPMC) iyisithako esisebenziseka kalula esisetshenziswa kabanzi ezinhlotsheni ezahlukene zezimboni, okuhlanganisa ukwakheka kwe-inki. Izakhiwo zayo ezihlukile zithuthukisa kakhulu ukusebenza, ikhwalithi, kanye nokusebenza kahle kwe-inki. Lesi sihloko sihlola izinzuzo zokusebenzisa i-HPMC ekwakhiweni kwe-inki, siqokomisa umthelela wayo ekulawuleni i-viscosity, ukuzinza, kanye nekhwalithi yokuphrinta.