UL Prospector

Desmodur® BL 4265 SN

Covestro makes their documentation available in the regions indicated below:

Desmodur® BL 4265 SN is a blocked aliphatic polyisocyanate based on isophorone diisocyanate (IPDI) and dissolved in aromatic 100. It is used with hydroxyl-functional coreactants in the formulation of light-stable one-component baking systems with relatively low curing temperatures. Coatings based on Desmodur® BL 4265 SN blocked polyisocyanate are used for the industrial finishing of appliances, coil coating, and can coating, and in the automotive industry for chip-resistant primer-surfacers and topcoats.


Covestro 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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