Coating Terms

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Polyisocyanate having outdoor durability as good as hexamethylene diisocyanate (HMDI), but lower flexibility than HMDI. For polyurethane coatings, its prepolymer is used instead of IPDI due to the occupational health concerns. Monomeric IPDI, like other monomeric isocyanates, partially evaporates at room temperature and leads to health risks.
Chemical name: 5-isocyanate-1-(isocyanomethyl)-1,3,3- trimethylcyclohexane
Chemical formula: