BAYCOLL AD 2055 is a linear polyester polyol that is suitable for combination with Desmodur® in the formulation of adhesives with low solvent content which with particularly good resistance to hydrolysis for bonding many different materials, e.g. wood, metal, and plastic, and also it is suitable for use in the formulation of reactive adhesives with low solvent content. BAYCOLL AD 2055 can be thinned with solvents such as esters, ketones, and aromatics. Only PU-grade solvents should be used (< 0.05 % by wt. water).