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How to find a C5 or CX (extreme marine) rated coating

Learn more about Choosing An HVAC-R Coating for Marine Environments » Selecting the correct corrosion standard is an important part of specifying HVAC coil coatings, particularly in environments where an extreme coastal HVAC coating is needed. For over 100 years, ASTM B-117 had been widely recognized as the “gold standard”

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Heresite Coatings Listed in AIA’s MasterSpec Construction Specification Resource

Manitowoc, Wis. (April 29, 2019) – Heresite, a leader in the development of thin film corrosion resistant coatings, has been listed in The American Institute of Architects (AIA) MasterSpec Construction Specification Resource. MasterSpec® is the industry-leading building and construction specification resource. Specifications are written by professional specifiers, architects, and engineers,

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ASTM B-117 vs. ISO 20340/ISO 12944-9 – what’s the difference?

ASTM B-117 was the first nationally recognized salt spray standard. Published in 1939, this salt spray test is widespread and often recognized as the “gold standard” in corrosion testing. However, ISO 20340 offers a more realistic and updated method of testing, representing a significant improvement over ASTM B-117. When the

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Fume exposure chemical testing may not be enough for your HVAC-R equipment

HVAC-R coating chemical resistance is often tested using fume exposure. While this method of testing can provide information on the anticipated level of protection for HVAC-R equipment, in certain applications, spot/direct exposure tests may provide better information about your equipment’s longevity in real-world conditions. It is important to conduct spot/direct

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Are you getting the HVAC-R coating you expect?

For over 80 years, Heresite coatings have been used to protect HVAC-R equipment in the harshest environments. We’re proud of our history, and we’re proud to continue to offer products like P-413, which recently met the demanding offshore marine requirements of ISO 20340.  These are tested, proven, real-world results. Unfortunately,

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