Desmodur® BL 3370 MPA is a blocked aliphatic polyisocyanate based on HDI. It is used in combination with Desmophen® grades to formulate lightfast, one-component stoving polyurethane coatings with high resistance to thermal yellowing; as an additive in conventional stoving coating systems to improve the reactivity, flexibility and adhesion. This product has a non-volatile content (1g/60 min/80°C) of 70 ± 3%, a viscosity at 23°C of 3,800 ± 1,200 mPa·s, and a color value (hazen) of ≤ 60.
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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