Unlike lacquer, shellac and varnish, which have been around for centuries, polyurethane is a product of 20th-century lab technology. In some ways, polyurethane is better than traditional film coating.

Specifically, polyurethane and polycrylic finishes are two of the ... senior product manager for Minwax Clear products. “Finishes also offer varying levels of sheen (like gloss, semi-gloss, satin, ...