Desmodur® E 22 is an aromatic polyisocyanate prepolymer based on diphenylmethane diisocyanate. It can be used in the formulation of highly flexible one- and two-component polyurethane coatings and adhesives. It can also be used as a binder for flexible aggregates, roof and concrete sealers and rubber granules. This product has an NCO content of 8.6 ± 0.3%, a viscosity at 23°C of 2,800 ± 400 mPa·s, and an equivalent weight of 472-506.
Desmodur® E 22 is suitable for the flexibilization of Desmodur® E 21/E 23 or similar products and as a binder for rubber granules. Desmodur® E 22 is also suitable for use in the formulation of solvent-free moisture-curing one-component adhesives or in combination with Baycoll to formulate two-component adhesives. These can be used to bond many materials, e.g. wood, metal and plastic.
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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