K-KAT XK-604
K-KAT XK-604 is an effective catalyst for the reaction of isocyanates and polyols with hydroxyl groups used in the production of cast elastomers. It is a proprietary mixed organometallic complex specially formulated to be an alternative to mercury catalysts without the toxicity concerns.
ADVANTAGES:
Excellent cure response
Similar cure profile to mercury catalysts
Environmentally more acceptable
TYPICAL PROPERTIES:
Appearance: Clear, amber liquid
% Metal: 18.5
Specific gravity, 25°C: 1.1
SOLUBILITY:
Soluble in n-butanol, gycol ethers, ketones, aromatic and aliphatic hydrocarbons. Insoluble in water.
APPLICATIONS:
100% solids 2K urethanes for cast elastomers. K-KAT XK-604 provides gel times and cure properties similar to mercury catalysts.
TYPICAL USAGE LEVELS:
0.1 - 0.5 % as supplied on total resin solids.