K-KAT XK-618 is a mixed organometallic complex catalyst designed to be an alternative to mercury and tin in urethane cast elastomers. It has excellent compatibility with 1,4-BDO and is recommended for aliphatic systems.
| Metal Type | Mixed carboxylate |
| % Active | 2.1 |
| Market Application | 2K PU, Elastomers |
| Application Advantage | Fast cure response, Tin-free |
| Formulation Advantage | Mercury alternative |
| Product Group | Catalyst (tin-free) |
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K-KAT XK-651
Metal Type Bismuth carboxylateMarket Application 2K PU% Active 25Catalyst (tin-free)High active, versatile, designed for 2K PU, HFO blown foam and silane terminated coatings. Improved hydrolytic stability compared to traditional Bi carboxylates. -
K-KAT XK-672
Metal Type Mixed carboxylateMarket Application 1K blocked NCOApplication Advantage FDA approvableCatalyst (tin-free)Effective catalyst for production of urethanes. Meets requirements of FDA 21 CFR 175.300. Recommended for 1K blocked NCO PU systems for coil coatings. -
K-KAT XK-614
Metal Type Zinc-amine complex% Active 100Market Application 1K blocked NCOCatalyst (tin-free)Recommended for ambient cure and force dry 2K SB and WB PU coatings. Has excellent stability in HFO-Blown PU foams. Can also be used in 1K moisture cure PU adhesives and coatings. -
K-KAT XK-604
Metal Type Mixed carboxylate% Active 18.5Market Application 2K PUCatalyst (tin-free)Mercury alternative catalyst for production of urethane cast elastomers. Good workability and efficient snap cure profile. Good compatibility with 1,4-butanediol
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