Polyurethane is basically a substance that is used for coating woods. The substance is nothing but oil or water based plastic resin that saves wood from getting damaged due to moisture.
On the other hand, Varnish is another type of wooden finish, derived from oil, solvents and resins. This is basically a traditional type of wood finish and that is why it is often misused as the generic term for all kinds of wood finishing. The following section will discuss about Varnish vs Polyurethane.
Differences between varnish and polyurethane
The differences between varnish and polyurethane are shown in the below comparison table.
Both Varnish and Polyurethane have their pros and cons to display. This is why they are used for serving various purposes by the furniture manufacturers.