Desmodur® E 23 is an aromatic polyisocyanate prepolymer based on diphenylmethane diisocyanate. Used as a binder for moisture-curing, one-pack coatings and as a hardener for binders bearing OH-groups. This product has an NCO content of 15.4 ± 0.4%, an equivalent weight of 266-280, and a flash point of > 193°C.
Desmodur® E 23 is suitable for use in the formulation of moisture-curing one-component systems which, when thinned with a suitable solvent, can be used as primers and sealers for porous substrates to provide protection against moisture, oil, fuel and other chemicals. It can also be used as a binder in the formulation of synthetic resin mortars.
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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