Heresite Protective Coatings Blog | Coil Corrosion & HVAC Phenolic Coatings Blog

Why use a hydrophilic HVAC topcoat?

Management of condensation and moisture is critical to ensuring the efficient function of HVAC equipment. Equipment operating in high temperature, submerged, or salty environments can suffer from condensation issues, which exacerbate the corrosion process, or lead to the creation of large waer droplets, which force the fan to work harder. 

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What you need to know about ISO Corrosivity Categories

Corrosion testing on HVAC coatings can be conducted according to a number of standards, including ASTM-B117, ISO 9227, ISO 12944-6, and ISO 20340. Of these tests, the one we believe represents actual service environments most closely is ISO 12944-9 (formerly ISO 20340) vs. the more common ASTM B-117. ISO classifies

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Heresite’s ES-600 meets ISO 12944-9 (formerly ISO 20340) Standard

ES-600 offers high performance and spray application Manitowoc, Wis. – Heresite’s ES-600, a high-performance epoxy-silane specially designed to provide superior performance in demanding environments, has successfully me the ISO 12944-9 Cyclic Offshore Test protocol. The ISO 12944-9 (formerly ISO 20340 test) for C5-X environments cycles the coating between salt spray,

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Choosing the right Heresite coating

Learn more about Choosing An HVAC-R Coating for Marine Environments » Learn more about Corrosion Protection Testing » Choosing the best HVAC-R protective coating for your particular environment and application is an important decision. At Heresite, our HVAC-R coating products are continually evolving to provide you with the best possible solution for

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What is salt spray testing and how does the process work?

Salt spray testing is a laboratory simulation of a corrosive saline environment. It is used as an accelerated means of testing the ability of surface coatings to withstand atmospheric corrosion. Also known as salt fog testing, it is one of the oldest testing methods used in the HVAC-R coatings industry,

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Coronavirus COVID-19 update

As government leaders across the U.S. issue “shelter in place” or “stay at home” mandates, Heresite Protective Coatings is following all orders and continually working to ensure the health and safety of all Heresite employees and our communities. Heresite Protective Coatings is considered part of the Critical Infrastructure by the

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What is Heresite?

Much like your favorite brand of facial tissues or fruit-flavored gelatin, the word Heresite has come to represent a type of HVAC-R coating no matter who it’s manufactured by. However, Heresite isn’t a specific coating – it’s a coating manufacturer! The confusion makes sense. Heresite was founded in 1935. That

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Heresite Develops New Water-Based Air-Dry Coating

Manitowoc, Wis. – Heresite, a leader in the development of thin film corrosion resistant coatings, has launched WB-506, a low-VOC direct to metal coating. WB-506 offers multiple application options including spray, dipping, or flooding. It exhibits excellent corrosion resistance, UV resistance and weathering qualities, along with good adhesion to ferrous

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