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What are the most important steps to eliminate rejects in anti-corrosion coating?

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Question added by Prakash Daniel Olaprath Olaprath , QA/QC Manager , Bredero Shaw
Date Posted: 2015/11/24
Affan Waheed
by Affan Waheed , Technical Sales Engineer , Carter Group

From Failure Analysis of various coatings it has been deduced that failure occurs due to three primary causes:

1. Physical defects for example Blistering, Dirt, Bubbles and Crater formation. 

2.Formation related failures: UV degradation of resin, Weathering or Chemical Reaction.

3.Substrate related failures: Aluminum oxide; due to smooth oxide surface and as result no proper adhesion. 

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