Search
Close this search box.

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

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

Read More »

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,

Read More »

Choosing the right Heresite coating

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 your environment. Be sure you select the most appropriate solution when specifying a coating for a

Read More »

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

Read More »

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

Read More »

Heresite Develops New Water-Based Air-Dry Coating

Manitowoc, Wis. – Heresite, a leader in the development of thin film corrosion resistant coatings, has launched HereShield, a low-VOC direct to metal coating. HereShield 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

Read More »

Three reasons to apply protective coating to complete HVAC units

HVAC systems are used in places where people need protection from the elements, or the environment must be stabilized to provide general cooling or ideal conditions for food preparation or pharmaceuticals. However, while air handling units (AHUs) benefit the people who live or work in the improved environment they create,

Read More »

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”

Read More »