Greenkote announced an advance in its line of corrosion protection. The new Greenkote G5k coating delivers a minimum of 5,000 hours of corrosion protection in salt spray testing for metals, enabling it to meet ASTM Specification B117, an industry standard for accelerated testing of the corrosion resistance of metals and coated metals in a salt-spray corrosive environment.

“With G5k, we’re upping the ante in anti-corrosion coatings,” says Mark Gore, CEO. “Greenkote has become synonymous with metal corrosion protection across a broad range of needs. Now, G5k becomes the new high-end in Greenkote high-performance coatings – no red rust after 5,000 hours of standardized corrosion testing by a recognized industry laboratory. This level of performance is aimed at the most challenging anti-corrosion applications, including those in marine and coastal environments as well as many automotive and industrial uses that expose metal parts to wetness or harsh chemicals for long periods of time. For these types of applications G5k can extend service life and reduce maintenance and replacement costs significantly.”

Manager of Engineering, Nick Haggund says, “It’s important to remember that G5k offers all the other Greenkote technology benefits, as well. It’s not just on the surface, Greenkote coatings are actually diffused into the metal. This gives them superior adhesion, longer life, and more conformal coverage, which allows their use on complex geometries such as small threaded parts. It also provides an excellent surface for painting and rubber bonding.”

Hagglund says Greenkote also eliminates the introduction of hydrogen embrittlement, an intrinsic problem with many traditional anti-corrosion coatings. The Greenkote coating process doesn’t use any hazardous chemicals or produce any toxic byproducts, so it is eco-friendly, RoHS compliant, and free of environmental regulations. For these reasons, he says, Greenkote coatings have been replacing many older anti-corrosion processes such as electroplating, hot-dip, sherardizing, and metal flake. The coatings can be applied to a broad range of metal parts, from threaded fasteners to stamped and cast pieces, in sizes from 0.2 to 78 inches.

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