March 2021, Vol. 248, No. 3

Tech Notes

Two-Part Epoxy Deemed Best for Pipeline at Saltwater Channel

By John Strong, Technical Field Specialist, Pipeline Products Division, Polyguard Products  Polyguard Products entered the liquid corrosion coating industry in the past decade, where two-part epoxy is a typical choice for most pipeline field coating repairs due to its ease of application and exceptional performance characteristics.  Figure 1 Polyguard developed NHT-5600 with those things in mind and wanted to make some tweaks to improve sag resistance and lengthen pot life without extending the cure time. The following case study is an example of how epoxies can solve problems that are specific to other types of coatings.  Background  Polyguar

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