Penny-Wise or Pound-Foolish?

Holding Primers for Solvent-Free Epoxy Tank Linings

From JPCL, March 2019

By Mike O’Donoghue, Ph.D. and Vijay Datta, MS, International Paint LLC; and Margaret Pardy, Mag Consulting Inc.


This article discusses performance and productivity issues associated with a tandem approach of using a thin-film solvent-borne epoxy holding primer (especially over pitted steel) with a topcoat of solvent-free epoxy lining, as opposed to using a single coat of a solvent-free lining applied direct-to-metal. The ramifications of pitted steel, abrasive blast profiles, times to complete lining applications, holidays in the linings and the effect of solvents and proper choice of holding primer are outlined with respect to the ultimate performance of the lining systems....


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Tagged categories: Chemical resistance; Coating Materials; Epoxy; Mike O'Donoghue; Primers; Solvent-free coatings; Tanks; Vijay Datta

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