Bayhydrol® A 2058 is an aqueous hydroxyfunctional polyacrylic dispersion used in the formulation of flexible two-component polyurethane top coats and primers for plastics. This product has a non-volatile content (1g / 1h / 125°C / convection oven) of 41 - 45, a pH (1:3 in demineralised water) of 7.5 - 9.5, and a viscosity at 23°C, (approx.D=82s-1) of 200 - 2,000.
Bayhydrol® A 2058 combined with Bayhydur 3100 yields high-gloss flexible top coats which are resistant to solvents. The formulation can be applied as a one-coat system on many substrates and has good adhesion and body. Two-pack primers can be formulated by combining Bayhydrol® A 2058 with Bayhydur® 3100. These are highly suitable for use on thermoplastics and thermosets and are characterised by excellent adhesion, sandability and water resistance.
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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