K-KAT XK-672

 

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K-KAT XK-672 is an effective catalyst for the reaction of isocyanates and polyols for the production of urethanes. It is a proprietary mixed organometallic complex specially designed to be an alternative to tin catalysts without the toxicity concerns. K-KAT XK-672 does not contain 2-ethylhexyl carboxylate or free 2-ethylhexanoic acid. K-KAT XK-672 is formulated to meet the requirements of FDA 21 CFR 175.300.



ADVANTAGES:
Can be used in ambient, force dry and bake systems
Complies with FDA 21CFR 175.300
Environmentally acceptable
Tin-free and 2-EHA-free
 



TYPICAL PROPERTIES:
Appearance:                                   Clear, light amber liquid
% Metal:                                         16.5
Specific gravity, 25°C:                    1.09 g/ml
Volatile:                                           n-Butanol
 



SOLUBILITY:
Alcohols                                                     Soluble
Ketones                                                     Soluble
Glycol ethers                                             Soluble
Aromatic, aliphatic hydrocarbons              Soluble
Water                                                          Partially soluble
 



APPLICATIONS:
K-KAT XK-672 is recommended for 2K and 1K blocked isocyanate coatings. K-KAT XK-672 can replace many heavy metal and/or toxic catalysts used in the production of urethane elastomers, foams and coatings.
 



TYPICAL USAGE LEVELS:
0.1 to 1.0 % as supplied on total resin solids.

 
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