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Desmodur® XP 2617 by Covestro is a NCO-terminated prepolymer based on hexamethylene diisocyanate (HDI) and an ether diol. Recommended for flexible, elastic, weather-resistant and solvent-free coatings, paints and ink applications. It has a shelf life of 9 months. Desmodur® N 75 BA by Covestro is an aliphatic polyisocyanate resin based on HDI and dissolved in n-butyl acetate. Used primarily as the hardener component for lightfast two-component polyurethane coatings.<br>
<ul style="padding-left: 40px;"><li>Provides high resistance to chemicals & weathering, very good gloss retention and outstanding mechanical properties.</li><li>Desmodur® N 75 BA is used in air- and force-drying coatings for automotive and industrial finishing, wood, furniture, plastics & corrosion protection.</li></ul> Desmodur® N 3400 by Covestro is a low-viscosity, aliphatic polyisocyanate resin based on HDI uretdione.<br>
<ul style="padding-left: 40px;"><li>It is used as a reactive thinner or hardener component for aqueous light-fast two-component polyurethane coatings.</li>
<li>It is compatible with esters, ketones and aromatic hydrocarbons such as ethyl acetate, butyl acetate, methoxypropylacetate, acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, toluene, xylene, solvent naphtha 100 solvents.</li>
<li>It can be used as a binder for moisture-curing one-component polyurethane coatings.</li>
<li>Desmodur® N 3400 is applicable for paints, coatings and inks.</li></ul> Desmodur® E-28 by Covestro is a polyisocyanate prepolymer based on diphenylmethane diisocyanate (MDI). Used as corrosion-resistant primers, as a curing agent for two-component systems, as an outstanding material for moisture-curing one-component formulations and as adhesion primers for solvent-free coating compositions based on polyisocyanates, polyesters, and polyethers. It is highly recommended to prime porous substrates. Offers protection from chemicals, deicing salt and mineral oils and good resistance to alkalis. Desmodur® E-28 can be used for mold releasing in the building and construction industries. Desmodur® W by Covestro is PICM, hydrogenated MDI (HMDI or H12MDI), saturated MDI (SMDI), reduced MDI (RMDI), and dicyclohexylmethane diisocyanate.<br>
<ul style="padding-left: 40px;"><li>It is used as a reactive building block for the preparation of chemical products, reactive intermediates and polymers in coatings for flooring, roofing, maintenance and textile applications.</li><li>It exhibits high degree of flexibility, good mechanical strength and resistance to abrasion and hydrolysis.</li><li>It offers retention of gloss and physical properties upon weathering.</li><li>It is suitable for use in the manufacture of polyisocyanates and polyurethanes.</li><li>Desmodur® W has a shelf life of 9 months.</li></ul> Desmodur® N 75 MPA/X by Covestro is aliphatic polyisocyanate (HDI biuret). It is used as the hardener component for lightfast two-pack polyurethane coatings.<br>
<ul style="padding-left: 40px;"><li>It has high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties.</li> <li>It can be used in combination with polyacrylate or polyester polyols.</li> <li>It is suitable for air- and force-drying coatings for automotive and industrial finishing, wood, furniture, plastics and for corrosion protection.</li><li>Desmodur® N 75 MPA/X has a shelf life of 6 months.</li></ul> Aromatic polyisocyanate based on TDI and dissolved in n-butyl acetate. Used in the formulation of fast drying two-component clear and pigmented polyurethane coatings for wood, metal, and paper substrates. Gives quick sanding properties. Solvent free aromatic polyisocyanate prepolymer based on diphenylmethane diisocyanate (MDI). Used for moisture-curing pigmented primers for metal and in two component coatings in combination with polyols. Provides good abrasion resistance, toughness and flexibility. Offers compatibility with most polyether polyols and MDI-based polyisocyanates. Desmodur® BL 3175A by Covestro is a blocked aliphatic polyisocyanate based on HDI and dissolved in aromatic 100. Used in industrial finishing of appliances, coil coating, and can coating, and automotive industry for chip-resistant primer-surfacers and topcoats. Desmodur® BL 3175A possesses high flexibility and hardness. Desmodur® N 3300A by Covestro is a solvent-free, low viscosity polyfunctional aliphatic isocyanate resin based on HDI. Used to formulate both clear and pigmented two-component polyurethane coatings, and for the formulation of high solids coatings. Desmodur® N 3300A provides very good weather resistance, gloss and color retention.
Desmodur®
Coating ingredients supplied by Covestro
Desmodur® by Covestro is a range of polyisocyanates and polyols for high-quality polyurethane (PU) coatings, offering broad formulation flexibility across multiple applications.
Key benefits of Desmodur® include:
- High formulation flexibility for PU coatings
- Excellent resistance to chemicals, weathering, and UV
- Suitable for solvent-borne and high-solids systems
- Durable protection across industrial and consumer applications