Powder coating is a type of coating that is applied as a free-flowing, dry powder. The coating is typically applied electrostatically and is then cured under heat to allow it to flow and form a "skin". 


Sandblasting is the act of propelling very fine particles of an abrasive material at high velocity toward a surface in order to clean or etch it. Sandblasting is often used as a way to prepare a surface prior to painting. It is commonly used to strip paint from machinery and metal, but it has many other uses as well.


An epoxy coating is the use of epoxy compounds as coatings or paints. It is generally two parts, which are mixed prior to application and consist of an epoxy resin that is cross-linked with a coreactant or hardener. ... When properly catalyzed and applied, epoxies produce a hard, chemical and solvent resistant finish