Bayhydrol® U XP 2698 liphatic, hydroxyfunctional polyester-polyurethane dispersion used as a binder for the formulation of water-reducible soft-touch coatings. This product has an acid number of approx. 8.5, a density at 20°C of approx. 1.07, and an OH content of approx. 0.8.
Bayhydrol® U XP 2698 can be used in combination with flexible polyurethane dispersions, e.g. Bayhydrol® UH 340/1, UH 650, UH 2305, UH XP 2658 and UH XP 2660 to formulate soft-touch and suede-effect coatings. The suitable polyisocyanate components are Bayhydur® 304, 3100, XP 2655 and also Desmodur® N 3600 and N 3900.
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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