With the damaging effects of corrosion estimated to cost more than 1.5 % of a country’s Gross Domestic Product (GDP), businesses are increasingly aware of the critical need to protect the products, buildings, and other structures they create. But since different metal surfaces present different issues and require different approaches to corrosion protection, choosing the right system based on location and application is critical. AkzoNobel’s Interpon powder coatings team has published a new white paper that explores the principal causes of corrosion and how they can be prevented. It begins by looking at the differences between ferrous and non-ferrous substrates and the different kinds of chemical and mechanical pre-treatments available. It highlights the International Standard against which protective paint systems are measured (ISO 12944), and explains how to accurately benchmark competing products, to ensure like-for-like comparisons and judgments are made. It details the categorization of corrosion (based on C1 being very low risk to C5 very high) and specifically the different systems available within Interpon’s Redox range of powder coatings, including its latest innovation, Redox One Coat. Jorrit van Rijn, Global Segment Manager Industrial in AkzoNobel Powder Coatings, says corrosion protection coating jobs can be complex tasks and various factors need to be taken into consideration. The substrate and how that substrate is pre-treated are key: "Getting this right will determine which powder coating system to use, based on the environment and conditions to which the surface will be exposed," Jorrit explains.