A Superior Corrosion Resistant Coating
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Markin Tubing’s proprietary Galfan coating process creates a corrosion preventive layer comprised of 95% zinc
and 5% aluminum that protects the tubing. In addition an aluminum-rich epoxy paint can also be applied on top
of the Galfan coating for a superior corrosion-fighting bond. Once applied, the tubing is then cured in an oven
to set the coating surface.
Salt spray testing (ASTM B117) on Galfan with the aluminum rich topcoat consistently performs to 3000 hours plus. Galfan, through it’s barrier-type design system fights corrosion. Short-term and long-term exposure observations confirm the superior characteristics of Markin’s Galfan.