Cellosize QP 100MH Hydroxyethyl cellulose Dow Chemical Rheology Modifier/ Thickener >> Cellulosic, non associative >> Hydroxyethyl cellulose (HEC) Coatings >> Waterborne Architectural / Decorative General Industrial /Maintenance Soluble in hot or cold water CELLOSIZE™ QP 100MH hydroxyethyl cellulose (HEC) is the highest molecular weight cellulosic polymer offered by The Dow Chemical Company, and aqueous solutions of CELLOSIZE QP 100MH HEC are the most pseudoplastic (non-Newtonian) in their rheology. CELLOSIZE QP 100MH HEC is used to thicken household cleaning products, in the fabrication of toilet tank drop-in tablets, and other applications where very high thickening efficiency is the dominant performance requirement. Very high molecular weight cellulosic polymer. Offers very pseudoplastic rheology and very high thickening efficiency.