Problem Solving Forum

July 10 - July 16, 2016

What causes bubbling or cratering of epoxy intermediate coat when applied over epoxy zinc-rich primer?

Selected Answers

From Dwight Weldon of Weldon Labortories on August 4, 2016:
First of all, it should be recognized that bubblin more

From Charles S. Brown of Greenman-Pedersen, Inc on July 29, 2016:
The main cause is solvent entrapment from applying more

From Thomas Elsbernd of M1 Support Services on July 21, 2016:
The most likely cause is solvent popping due to tr more

From OM PRAKASH JAT of Galadari Engineering works on July 21, 2016:
The cause is most often solvent entrapped in the p more

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Tagged categories: Asia Pacific; Coating failure; EMEA (Europe, Middle East and Africa); Epoxy; Latin America; North America; Paint defects; Zinc; Zinc-rich (inorganic); Zinc-rich (organic)