Craymul 5120 Acrylic polymer Atofina-Cray Valley Acrylic Resins Craymul 5120 is acrylic water-borne polymer. It possesses low temperature flexibility. It is used in cement, flexible waterproofing slurries, crack-bridging coatings, anticorrosive linings, concrete repair, tile adhesives, flexible cement based 2K. Acrylic water-borne polymer. Used in cement, crack-bridging coatings. Possesses low temperature flexibility.