Methyl Hydroxyethyl Cellulose (MHEC) ndi ether ya cellulose yosakhala ionic yomwe imagwiritsidwa ntchito kwambiri popanga zinthu zomangira, makamaka pazinthu zopangidwa ndi simenti. Chimodzi mwa ntchito zake zofunika kwambiri pakugwiritsa ntchito simenti ndikuchepetsa njira yothira madzi ya simenti. Kumvetsetsa momwe MHEC imakwaniritsira izi ndikofunikira pakukonza bwino magwiridwe antchito a zinthu zopangidwa ndi simenti pamapulojekiti omanga.