Bayhydrol 121 Aliphatic polycarbonate urethane resin Bayer MaterialScience Polyurethane (PU) - Polyurethane dispersions (PUDs) Architectural / Decorative >> Flooring Plastic coating Metal Other industry >> Leather Coating Water/n-methyl-2-pyrrolidone Bayhydrol 121 is an anionic dispersion of an aliphatic polycarbonate urethane resin in water/n-methyl-2-pyrrolidone. Bayhydrol 121 polyurethane dispersion can be used in the formulation of ambient-cure or bake coatings for a wide range of rigid and flexible substrates such as leather, vinyl-coated fabric, textiles, flooring, plastics, and metals. This product exhibits a combination of film hardness, flexibility, good water and solvent resistance, and outstanding hydrolytic stability. Anionic dispersion of an aliphatic polycarbonate urethane resin in water and n-methyl-2-pyrrolidone. Used in the formulation of ambient-cure or bake coatings for a wide range of rigid and flexible substrates such as leather, vinyl-coated fabric, textiles, flooring, plastics, and metals. Provides film hardness, flexibility, good water and abrasion resistance and outstanding hydrolytic stability.