Desmodur® VH 20 N is a polyisocyanate based on diphenylmethane diisocyanate used in combination with polyols to formulate two-component coatings and sealing compounds and to manufacture prepolymers. It is a yellow, solvent-free liquid, with a viscosity 25°C of 280 ± 80 mPa·s. This product has an NCO content of 24.5 ± 0.5%, a flash point of approx. 195°C, a density at 20°C of approx. 1.21g/ml, and an equivalent weight of 173.
Covestro (formerly Bayer MaterialScience) manufactures adhesive raw materials for use in the production of contact and heat-activated adhesives, as well as reactive and hot-melt adhesives for the transportation, furniture, footwear, packaging, and construction markets. Bayer offers a comprehensive range based on polyurethane and polychloroprene, with specialty raw materials that offer UV light and weather resistance.
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