Bayhydrol 140 AQ Aliphatic polyester urethane resin Bayer MaterialScience Polyurethane (PU) - Polyurethane dispersions (PUDs) >> Polyester Other industry >> Leather Coating Water/toluene Bayhydrol 140 AQ is an anionic dispersion of an aliphatic polyester urethane resin in water/toluene. Bayhydrol 140 AQ polyurethane dispersion is suitable for many applications including adhesion promoters in metal/plastic composite structures, textile and leather coatings, and primers for rigid surface coatings. The dispersion displays excellent mechanical stability. Anionic dispersion of an aliphatic polyester urethane resin in water and toluene. Used for textile and leather coatings, and primers for rigid surface coatings. Offers very good mechanical stability.