Updated: 2026 Quick Answer: MF-77 is a low-viscosity, super-high-compatibility aromatic TDI trimer hardener for indoor solvent-borne 2K PU formulation screening,…

Updated: 9 October 2026 Quick answer: Select a TDI trimer hardener for wood coating by checking indoor exposure, resin compatibility,…

Updated: 9 October 2026 Quick Answer: An aromatic polyisocyanate hardener for wood coatings is a TDI-based crosslinker used with hydroxyl-containing…

Updated: October 2026 TDI Adduct vs TDI Trimer: Which Route Fits Your PU Coating? Quick answer: A TDI adduct is…

Updated: September 2026 Quick answer: Dongsen does not sell nitrocellulose. For wood-coating formulators using NC lacquer, the relevant Dongsen decision…

Updated: 2026 Polyisocyanate Curing Agents: 3 Types, Selection Guide and Dongsen Grades Quick Answer: The three common polyurethane curing agent…