Desmodur l 75

Desmodur L 75 (CAS 9081-90-7) is a toluene diisocyanate (TDI)-based polyisocyanate in a 75% ethyl acetate solution. Also referenced in procurement as Covestro L 75 or Bayer L 75.

Where is Desmodur l 75 used?

• Industrial and automotive coatings: crosslinks hydroxyl-functional resins for chemically resistant topcoats in OEM and refinish work
• Flexible packaging adhesives: bonds laminate structures needing heat resistance and peel strength
• Construction sealants and elastomers: cure density for movement accommodation and weathering
• Wood coatings and plastic substrates: fast dry times and strong adhesion in high-throughput lines
• It functions as a crosslinker and curing agent in two-component polyurethane systems.

Commercial specifications

• 75% active isocyanate content in ethyl acetate
• Drum and IBC quantities