Surface finishing is the process of altering the surface of an object (e.g., plating, polishing, buffing, electropolishing, chemical etching, coating) for the purpose of enhancing its appearance or functional property.
The purpose of finishing can be for economic reasons, material conservation, to change the surface of the basis material to provide certain desirable properties, or a combination thereof, such as:
Apart from its decorative uses on a wide range of consumer and industrial products, surface finishing provides essential functional applications.
Natural Resources are conserved by the use of coatings to preserve products, or when a rare, costly surface coating can provide its own desired physical properties on a more abundant and less costly base material.
Without surface finishing, many of your metal conveniences would no longer exist. Virtually every metal object has been finished to improve its appearance or shelf life.
A typical sequence of a coating operation involves:
Important considerations in the selection of coatings include: