Applications    Overview Agriculture Building and Construction Chemical Processing Personal Care and Cleaning Products Oil and Gas Exploration Paints and Coatings Paper Textiles   CELLOSIZE™ HEC is used in gypsum, cement, lime and organic plasters, tile adhesives, and mortars. In cement formulations, it is used as a retarder and fluid loss additive. In the manufacture of wallboard, it is a component of emulsions for surface treatment to improve release from press and to prepare the surface to accept paint or surface coatings. It is also used as a thickening agent in wallpaper paste. CELLOSIZE HEC improves the workability of gypsum plaster by increasing the open and trowelling times. It helps contribute to excellent compressive strength, flexural strength, and dimensional stability. New! CELLOSIZE DCS . . . Economical, High-Performance Cellulose Ethers for Tape Joint Compounds (170KB PDF) Use of CELLOSIZE HEC may be complimentary to METHOCEL* cellulose ethers. Find additional information. Learn About Other Dow Products for Building and Construction ®™* Trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow