Bayhydrol® UH XP 2592 is a Polyester-Polyurethane dispersion which dries by oxidation. It can be used as a binder in the formulation of aqueous air- and forced-drying, high-gloss coatings and primers with very good anti-corrosion properties. Mainly used for general industrial finishes. This product has an acid value of approx. 12, a viscosity at 23°C, (D=approx.40s-1) of approx. 300, a non-volatile content (1g / 1h / 125°C) of approx. 45, and a pH (1:4 in demineralised water) of approx. 7.2.
Bayhydrol® UH XP 2592 does not contain any cosolvents, no anti skinning agents and no driers and is therefore label-free. Coatings based on this resin show a quick drying and after drying a quite high hardness. After curing over night a very good water-resistance is achievable. High-gloss coatings, however, need a certain amount of suitable co-solvents and additional amine in the formulation. Bayhydrol® UH XP 2592 can be used as universal resin for high-gloss top coats, effect coats and - due to its excellent anti-corrosion properties – as raw material for primers and single coats.
Covestro (formerly Bayer MaterialScience) provides raw materials, such as waterborne adhesives, major high solids coatings, advanced powder coatings, and specialty sealant chemistries. Bayer produces polycarbonates and polycarbonate blends, polyurethanes, and TPU resins, particularly for design and processing parts with TPU resins applications; helping products in a wide variety of applications look better and last longer.
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