Components of articles that include an optical element that imparts structural color to the component are provided. Methods of making the components including the optical element, and methods of using the components such as to make an article of manufacture are provided.

An insulated pipe segment having a coating overtop of the otherwise exposed insulation layer in the cut-back region. Also, its method of manufacture, comprising spray coating the exposed insulation layer in the cut-back region with a thermoplastic powder, which is wetted. The coating for the exposed insulation layer may be made of a compatible, similar or identical but unfoamed thermoplastic as the insulation layer itself, which is typically foamed.