Bayhydrol® A 2620 is a water-reducible, hydroxyfunctional polyacrylic dispersion used in combination with aliphatic polyisocyanates for the formulation of high grade, fast drying, waterborne two-component clearcoats and top-coats, e.g. for automotive and industrial coating applications. This product has an acid number of approx. 9.8, a hydroxyl content (solvent free, calculated) of approx. 3.0, and a density at 20°C of approx. 1,07.
Bayhydrol® A 2620 can be used in combination with aliphatic polyisocyanates for the formulation of high-gloss clearcoats and top-coats which can be dried at room temperature or force-dried, e.g. at 130°C. The cured paint films are hard but flexible, with good resistance to solvents, water and chemicals and also exhibit good UV stability.
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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