Cellosize ER 4400 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™ ER 4400 hydroxyethyl cellulose (HEC) is a medium molecular weight, enzyme-resistant cellulosic polymer, which is rheologically similar to CELLOSIZE QP 4400H HEC. The excellent solution rheological properties of CELLOSIZE ER 4400 HEC make it an ideal thickener in premium quality latex paints where an enzyme resistant cellulosic thickener is needed. The typical use levels of CELLOSIZE ER 4400 HEC in latex paints are between 5 and 7 pounds per 100 gallons. Like all CELLOSIZE ER HEC products, it contains about 1% fumed silica as a flow-aid. paints and coatings Medium molecular weight, enzyme-resistant cellulosic polymer. Used as a very good thickener in premium quality latex paints. Contains fumed silica as a flow-aid. Use level: 5-7 pounds per 100 gallons.