Dziwani momwe Hydroxyethyl Cellulose (HEC) imathandizira kuti matope a simenti agwire ntchito bwino komanso kuti madzi asungidwe bwino kuti pakhale zomangamanga zolimba komanso zokhazikika.
Hydroxyethyl Cellulose (HEC) ndi ether ya cellulose yosakhala ionic yomwe imagwiritsidwa ntchito kwambiri popititsa patsogolo rheology ndi kusunga madzi kwa mortars a simenti, zomwe zimapangitsa kuti ikhale yogwira ntchito bwino komanso nthawi yayitali yothira madzi kuti ikhale yolimba komanso yolimba. Mwa kupanga netiweki ya colloidal ndikumamatira pamwamba pa tinthu, HEC imawonjezera kukhuthala, imachepetsa kutayika kwa madzi m'malo obowola, komanso imaletsa kuuma msanga—zinthu zofunika kwambiri pakupanga mortars yogwira ntchito bwino.