Desmodur® L 75 is an aromatic polyisocyanate based on toluene diisocyanate, used in combination with Desmophen® grades or other hydroxyl-bearing substances to formulate two-pack polyurethane coatings and adhesives. This product has an equivalent weight of approx. 315, a flash point of approx. 5°C, and a density at 20°C of approx. 1.17g/ml.
Systems crosslinked with Desmodur® L 75 can be used as coatings for furniture, parquet flooring, metal, paper, plastics and mineral substrates. Desmodur® L 75 is also suitable for room-temperature crosslinking of adhesives based on Desmocoll® or Baycoll®. These can be used to bond many materials, e.g. wood, metal and plastic. The use of this polyisocyanate increases the resistance of the bonds to heat, oil, plasticisers and many solvents. It ensures good adhesion to many materials, especially plastics.
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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