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ISOCYANATE

A compound containing one or more of the chemical group -N=C=O. Isocyanates comprise one
major component of two-component polyurethane coatings. When the isocyanate groups are
crosslinked with a compound containing more than one hydroxyl group (polyol), a polyurethane
polymer is formed. When reacted with a primary polyamine, a polyurea is formed.


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