Hydroxypropyl Methylcellulose (HPMC) ndi chowonjezera chogwiritsidwa ntchito kwambiri popanga zinthu zopangidwa ndi simenti chifukwa cha luso lake lokulitsa magwiridwe antchito, kugwira ntchito, komanso kulimba kwa zinthu zopangira simenti. Monga polima yogwira ntchito zambiri, HPMC imakulitsa zinthu zofunika kwambiri monga kusunga madzi, kumamatira, komanso kukana kutsika, zomwe zimapangitsa kuti ikhale yofunika kwambiri pakupanga kwamakono.