K-KAT XC-B221 is a a Bismuth Carboxylate catalyst designed for 2K and 1K blocked isocyanate urethane coatings. It provides similar properties to standard tin catalysts without the environmental drawbacks.
Metal Type Bismuth carboxylate
% Active 20
Market Application 2K PU
Application Advantage Tin-free
Application Advantage Exterior durability
Formulation Advantage Efficient
Formulation Advantage 2-EHA free
Market Application 1K blocked NCO
Market Application Foam
Product Group Catalyst (tin-free)