Nomenclature Bayhydrol®

K 2010
Customer

Protection against graffitis with great durability


Everyone knows them: More or less attractive graphics decorate or deface – depending on your point of view – a number of buildings, train stations and trains themselves. To prevent the adhesion of graffitis – or at least the easy removal of them without any trace - has triggered efforts by the coatings industry to offer a solution for this problem.

Bayer MaterialScience has developed water-based polyols and polyisocyanate hardeners for a two-component polyurethane coating system, that prevents the color pigments and dyestuffs to enter into the coatings layer underneath the top-coat, while at the same time being durable enough to withstand the repeated removal procedure without damage for a long time.


UV-resistance is an additional advantage so these coatings can cope with the weatherability requirements of vehicles for transportation for years to come. This means that maintenance cycles can be extended significantly.

These coatings systems also make a lot of sense for ecological reasons. Based on products like Bayhydrol® A 2470, Bayhydrol® A XP 2695 and Bayhydur® XP 2655 or XP 2487/1 and Desmodur® N 3900 coatings systems with a very low VOC content can be realized.

Feature: Bayhydrol® A XP 2695: "New waterborne polyacrylate dispersion for high-performance coatings - Outstanding resistance to chemicals
Bayhydrol® A XP 2695 enables coatings that are resistant to graffiti and are perfectly suited for the high-end coating of industrial goods, trains, commercial vehicles and even aircraft thanks to their extraordinary chemical resistance. Furthermore, the coatings formulated with the new waterborne binder are extremely resistant to weathering and very scratch-resistant.... more.

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