K-KAT XK-651 is a high active, versatile Bismuth carboxylate designed for 2K PU, HFO blown foam and silane terminated coatings.

K-KAT XK-651 provides improved hydrolytic stability compared to traditional bismuth carboxylates.

Video Demo:

For a hydrolytic stability comparison of K-KAT XK-651 VS a competitive Bi catalyst click here

Metal Type Bismuth carboxylate
Market Application 2K PU
% Active 25
Application Advantage Hydrolytic stability
Application Advantage Front end cure
Application Advantage Exterior durability
Application Advantage Tin-free
Formulation Advantage Efficient
Market Application Foam
Market Application Polysiloxane
Product Group Catalyst (tin-free)