Bayhydrol D 356 Saturated polyester resin Bayer MaterialScience Polyester >> Saturated Coatings >> Waterborne Powder coating Soluble in water Soluble in glycol ethers Soluble in alcohol Water-thinnable, oil-free, saturated polyester with good resistance to hydrolysis. As a binder in the formulation of stoving top coats and primers. Bayhydrol D 356 is an oil-free polyester with extremely good resistance to hydrolysis which is already neutralized with dimethyl ethanol amine. Water-thinnable, oil-free, saturated polyester resin. Used in the formulation of stoving top coats and primers. Offers good resistance to hydrolysis.