K-KAT® XK-639 

K-KAT® XK-639 is a new non-tin stimulant suggested for solvent based or solvent free 2-component polyurethanes and 1-component blocked isocyanate systems. This product appears as a light, yellow liquid and offers good pot life in 2K PU systems, good cure time, non-yellowing, and gloss retention. It is soluble in esters, aromatic hydrocarbons, and ketones. It is insoluble in water. This product is 50% active in isopropanol, weighs 7.6 lbs per gallon, and has a specific gravity of 0.91 g/ml.


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King Industries, Inc. offers a broad range of products used in formulating high performance industrial and automotive, aerospace, and ballistic grade additives for coatings. King Industries' core technologies consist of catalysts, corrosion inhibitors, dispersants, resin modifiers, rheology, and surface control.


King Industries, Inc.

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