Desmodur® VL R 10 is an aromatic polyisocyanate based on diphenylmethane diisocyanate used in combination with suitable low-viscosity Desmophen® products to formulate solvent-free spray coatings and sealing compounds. This product is a brown, solvent-free liquid with a viscosity at 25°C of 120 ± 20 mPa·s. This product has an isocyanate content of 31.5 ± 1.0%, and equivalent weight of approx. 133, a flash point of approx. 200°C, and a density at 20°C of approx. 1.24g/ml.
Desmodur VL R 10 is combined with Desmophen 1150 or a mixture of Desmophen® 1150 and polyethers such as Desmophen® 5028 GT or 1380 BT to formulate coatings varying from flexible to hard. A water scavenger such as molecular sieve paste® 3 Å must be added to prevent any undesired reaction with water.
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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