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Desmodur® (Polymer additives)

Supplied by Covestro
Desmodur® by Covestro is a range of aliphatic and aromatic isocyanates used in polyurethane coatings, adhesives, sealants, and elastomers (CASE). These crosslinkers provide durability, chemical resistance, and weather stability across demanding applications.

Key features of Desmodur® brand include:

  • High-performance isocyanate crosslinkers
  • Excellent chemical and abrasion resistance
  • Superior weathering performance (aliphatic grades)
  • Fast curing and high reactivity options available
  • Used in coatings, adhesives, sealants and elastomers

39 Products match your search

Desmodur® L 75

by Covestro

Desmodur® L 75 by Covestro is aromatic poly-isocyanate-based on toluene di-isocyanate. It increases the resistance of the bonds to heat, oil, plasticizers and many solvents. It ensures good adhesion to many materials, especially plastics. It shows good compatibility with esters such as ethyl acetate, butyl acetate and 1-methoxy propyl acetate-2 and aromatic hydrocarbons such as toluene, xylene, Solvesso 100 and Shellsol®. It is suitable for polyesters, polyethers and polyacrylates. It is used in the bonding of transparent plastic films for packaging. Desmodur® L 75 has a shelf life of 6 months.
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Desmodur® T 80

by Covestro

Desmodur® T 80 by Covestro is a blend of 2,4- and 2,6-toluene di-isocyanate (TDI) in the ratio 80:20. It is available in colorless to light yellow color liquid form. Desmodur® T 80 has a shelf life of 12 months.
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Desmodur® 44V20L

by Covestro

Desmodur® 44V20L by Covestro is a dark brown polymeric isocyanate-based on di-phenylmethane-4,4'-di-isocyanate (MDI) with isomers and homologous of higher functionality.<br> <ul style="padding-left: 40px;"><li>Used in conjunction with polyols for the production of polyurethane products.</li> <li>Desmodur® 44V20L has a shelf life of 6 months.</li></ul>
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Desmodur® RFE

by Covestro

Desmodur® RFE by Covestro is a cross-linker with very universal suitability for natural- and synthetic rubber with special adhesion on rubber materials.<br> <ul style="padding-left: 40px;"><li>It is a solution of tris (p-isocyanato phenyl) thiophosphate in ethyl acetate.</li> <li>It can be diluted in ethyl acetate.</li> <li>Desmodur® RFE has a shelf life of 12 months.</li></ul>
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Desmodur® RE

by Covestro

Desmodur® RE by Covestro is a highly effective crosslinker used for polyurethane-, natural- and synthetic rubber. It improves adhesion to rubber-based materials. It is also designed for thermoset polyurethane resin.
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Desmodur® VP. PU 3230

by Covestro

Desmodur® VP. PU 3230 by Covestro is a blend of di-phenylmethane-4,4'-di-isocyanate (MDI) with isomers and homologous of higher functionality. It is used for the production of the flexible polyurethane cold-curing HR molded foam for automotive seating. Desmodur® VP. PU 3230 has a shelf life of 6 months.
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Desmodur® VT 66

by Covestro

Desmodur® VT 66 by Covestro is a mixture of different aromatic di-isocyanates, isomers and homologous of higher functionality (TDI - MDI blend). It is designed for the production of flexible polyurethane cold-curing molded foam for automotive seating. Desmodur® VT 66 has a shelf life of 6 months.
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Desmodur® E 1160 MPA/X

by Covestro

Desmodur® E 1160 MPA/X by Covestro is aromatic poly-isocyanate prepolymer-based on toluene di-isocyanate (TDI). It provides surface with long-term protection against moisture, oil, fuels, aggressive chemicals and mechanical damage in clear impregnating systems. It can be thinned with esters and aromatic hydrocarbons such as ethyl acetate, butyl acetate, 1-methoxypropylacetate-2, toluene, xylene, Solvesso® 100 and ShellSol™ A. Desmodur® E 1160 MPA/X has a shelf life of 6 months.
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Desmodur® CD-L

by Covestro

Desmodur® CD-L by Covestro is a modified isocyanate-based on di-phenylmethane-4,4'-di-isocyanate. It finds application in the production of polyurethane foams and elastomers. Desmodur® CD-L has a shelf life of 6 months.
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Desmodur® E 2200/76

by Covestro

Desmodur® E 2200/76 by Covestro is a pre-polymer-based on di-phenylmethane-di-isocyanate (MDI) with isomers. It is suitable for the flexibilization of Desmodur® E 21/E 23 or similar products, as a binder for granular rubber. Desmodur® E 2200/76 has a shelf life of 6 months.
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