Diexter G 215 Saturated polyester based on 1,4 butanediol P.A.T. Products PU - Polyols >> Polyester ADHESIVE Saturated polyester polyol based on 1,4 butanediol. Used in adhesives. polyol polyesters Diexter is sold for the production of polyurethanes in virtually every field of application. These saturated polyester resins can be used in applications ranging from the production of slab stocks to synthetic leathers and thermoplastics Saturated polyester polyol based on 1,4 butanediol. Used for the production of polyurethanes in adhesives.