K-KAT XK-639

 

K-KAT XK-639 is a new non-tin catalyst recommended for solvent based or solvent free 2-component polyurethanes and 1-component blocked isocyanate systems.

ADVANTAGES:

Good pot life in 2K PU systems

            Good cure time characteristics

            Non-yellowing

            Excellent gloss retention

 

TYPICAL PROPERTIES:
Appearance:                                   Light yellow liquid
% Active (in isopropanol):               50.0
Specific gravity, 25°C:                     0.91
Weight per gallon, 25°C:                 7.6

 

SOLUBILITY:

            K-KAT XK-639 is soluble in ketones, esters, alcohols and aromatic hydrocarbons. It is insoluble in water.

 

APPLICATIONS:

K-KAT XK-639 can be used in ambient cured or force dried 2-component solvent based polyurethane systems. It can also be used in thermal cured 1-component blocked isocyanate systems.