K-KAT XK-661 is a novel Zinc-amine complex catalyst with excellent hydrolytic stability, making it useful for waterborne 2K PU coatings as well as 1K moisture cure polyurethane adhesives.

K-KAT XK-661 is supplied 80% active in butyl acetate for easier incorporation into waterborne systems.

Metal Type Zinc complex
% Active 80
Market Application 1K moisture cure PU
Market Application 2K PU
Application Advantage Non-yellowing
Application Advantage Hydrolytic stability
Application Advantage Pot life
Application Advantage Tin-free
Application Advantage Exterior durability
Formulation Advantage Easy to use
Product Group Catalyst (tin-free)