Vinacryl 8961 Acrylic copolymer National Starch and Chemical-Nacan Acrylic Resins Architectural / Decorative Soluble in water VINACRYLâ„¢ 8961 is a self-crosslinking acrylic copolymer designed for the low-odor market, but it has the gloss, durability, and block resistance of conventional, coalesced acrylics across a range of PVCs. outstanding scrub durability excellent block resistance superior wet adhesion brilliant gloss exceptional water resistance excellent associative thickener response blends well with vinyl acrylic resins excellent mechanical stability Self-crosslinking acrylic copolymer. Designed for the low-odor market. Provides good gloss, durability and block resistance. Gives outstanding scrub durability, superior wet adhesion and very good water resistance and associative thickener response. Can be blended with vinyl acrylic resins. Offers very good mechanical stability.