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.
TYPICAL USAGE LEVELS:
0.1 – 0.5% as supplied on total resin solids for 2-component polyurethane systems.
0.5 – 1.5% as supplied on total resin solids for blocked isocyanate systems.
www.kingindustries.com
©2021 King Industries, Inc
Tel: 203-866-5551 Toll Free: 800-431-7900 Fax: 203-866-1268
King Industries, Inc
Science Road, Norwalk, CT 06852, USA