Alcogum L-243 Acrylate based emulsion copolymer National Starch and Chemical-Alco Chemical North America South and Central America Asia / Pacific Rheology Modifier/ Thickener >> Associative >> Hydrophobically modified alkali-soluble emulsions (HASE) Other industry >> Paper coatings ALCOGUM® L-243 is an acrylate-based emulsion copolymer supplied at 25% active solids in water. The process employed in the manufacture of ALCOGUM L-243 allows fine control of the polymer structure and molecular weight to meet the specific rheology and water retention requirements of the paper and paperboard coating industries. Control of these properties can have a positive effect on runnability and surface properties. It shows liquid for ease of handling and metering, effective viscosity build in high solids systems, provides excellent water retention, shear tolerance. An acrylate-based emulsion copolymer. Provides excellent water retention and shear tolerance. Used in paper and paperboard coating industries.