Industrial paint has two purposes Firstly, it provides a protective coating for the substrate against chemical and physical attack. Secondly it gives the product a pleasing appearance and this increases its value. The appearance of a product is often subjective and therefore is more important when marketing the product than when choosing the type of protection required. This section concentrates on paint as a method of protection. We will focus on finding the correct paint system for each of the different  environments  where paint is used.