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Doug Reardon

Preparation of Edges for Coating Performance

Introduction Over 2,000 years ago, the Greek philosopher Aristotle discovered (or uncovered) the fact that our world wasn’t flat. While the earth itself is round, the topography of what is on this earth is neither flat nor round, but rather highly variable, with hills, valleys, mountains and plains. Similarly, our industrial infrastructure is far from …

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surface preparation to primer prep-to-prime

Window of Time – Surface Preparation to Priming

Introduction Coating specifications and contract documents often contain stipulations for the maximum length of time a prepared steel surface can remain uncoated. We’ll refer to this as the “prep-to-prime window.” This brief article highlights common requirements, discusses the purpose of the requirements, presents industry references, questions the variability in the time periods, and explores a …

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