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Sunday 15 April 2018

Coat your rusting woes




Corrosion control is a challenge but not an impossible task. New age anti-corrosive coatings
By Debarati Das
Corrosion is an inevitable part of any metal’s life cycle. Corrosion control is a significant challenge and expense to various industries resulting in compromised plant reliability, high replacement costs, loss of production and safety issues.
But it’s not an impossible task either. It is possible to manage, slow, or even stop metal corrosion by having a far-sighted approach to tackle this issue right from stage one. There are various prevention techniques prevalent in the industry including environmental modifications, cathodic protection, corrosion inhibitors and plating to name a few. However, Coating is one of the easiest and cheapest ways to prevent corrosion.
“It is estimated that the Global Cost of Corrosion stands at $2.5 trillion, which is equivalent to 3.4 percent of the Global GDP. By using available corrosion control practice, it is estimated that savings of between 15 and 35 percent of the cost of corrosion could be realized. This constitutes savings of astronomical proportion. Corrosion can be mitigated by conducting periodic corrosion audit and a maintenance schedule, selecting painting system based on the actual exposure and failure mode and by using Cathodic Electro-deposition coating with high edge corrosion as priming system for automotive sector,” said Abhijit Roy, managing director and chief executive officer, Berger Paints India Ltd.

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