Crackless Bonding Agent Regular is a ready to use, non-reemulsifiable acrylic made from acrylate, methyl methacrylate monomer, and special function monomer grafting and techniques of emulsion copolymerization for normal bonding characteristics when added to cement and sand motar. . It is designed to improve the adhesion and durability of concrete, masonry, stucco, terrazzo and portland cement-sand mixes to horizontal and vertical concrete and other surfaces while rendering or screeding.