Bayhydrol® A 2457 is an anionic polyacrylic dispersion used as a binder in the formulation of water-reducible two-component coatings and sealers for mineral substrates and reactive resins (EP, PU). This product has a non-volatile content (1g / 1h / 125°C / convection oven) of 38.5 - 41.5, a viscosity at 23°C, D=approx.42s-1 of max. 100, and a pH (1:3 in demineralised water) value of 7.5-9.
Due to its outstanding mechanical and chemical resistance properties the product is ideally suited for the formulation of sealers for mineral substrates and reactive resins (EP, PU). In combination with other water-reducible binders, the many potential combination products, compatibility must always be tested.
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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