Problem Solving Forum

July 6 - July 9, 2021

If an atmospheric coating system of a zinc-rich epoxy, epoxy mid coat and polyurethane color topcoat has properly cured with no visual defects, should I be worried if the thickness of any coat exceeds any specified maximum?

Selected Answers

From MAHENDRA SOLANKI of INOXCVA on July 8, 2021:
There are chances to cohesive strength failed. more

From Rob Francis of R A Francis Consulting on July 7, 2021:
Epoxies and polyurethanes are fairly tolerant of o more

From Mike Beitzel of Modjeski and Masters on July 6, 2021:
Not necessarily but you should always be concerned more

From Spiros Pavlakis of HEMPEL on July 6, 2021:
There is a reason why there is a maximum DFT for e more

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