Heat transfer test results for Heresite’s P-413

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Heat transfer is an important consideration when selecting a protective coating for HVAC-R condensers or evaporators. A protective coating, when applied properly, can extend the life of HVAC-R coils by preventing corrosion with negligible impact on heat transfer. In 2017, we participated in a wind tunnel test for our P-413 baked phenolic epoxy coating. This […]

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What you need to know about ISO Corrosivity Categories

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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 20340. ISO’s testing standards for protective paint systems were developed through long-term material weight loss and surface […]

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Selecting the right corrosion test for your HVAC/R protective coating

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There are several tests that can be used to measure the effectiveness of protective coatings for HVAC/R coils. These testing processes have evolved over the years as various organizations have tried to provide the most accurate information to engineers, manufacturers, and businesses that need to protect their HVAC/R investment.   ASTM B-117 Originally developed in […]

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