Heresite to Launch New Spray-Applied Coating Options at 2019 AHR Expo

in Coatings, News

Heresite, a leader in the development of thin film corrosion resistant coatings, will launch ES-600, a spray-applied coating for HVAC-R coils as well as HVAC-R cabinets/components at the 2019 AHR Expo, to be held January 14 – 16, 2019 in Atlanta. ES-600 is designed for use as a standalone spray for coils, cabinets, and components […]

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Studies show ASTM-B117 salt spray test does not correlate to real-world environments

in Blog, Chemical Resistance Testing

In 1995, The Society for Protective Coatings (SSPC) published a paper that concluded, “It is obvious that ASTM-B117 Salt Spray (Fog) Testing and similar methods offered a rapid but unreliable means for predicting coating behavior.”  For the 20+ years since that paper was published, the ASTM B-117 salt spray procedure has continued to be tested […]

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New Test Results Show Effectiveness of Heresite Coating After 1,500 Hours of UV-C Exposure

in Chemical Resistance Testing, News

Heresite, a leader in the development of thin film corrosion resistant coatings, recently completed a UV-C exposure test on its P-413 coating, both with and without a topcoat. The test was conducted in conjunction with Sanuvox Technologies laboratory. UV-C lights are used in many HVAC systems to sterilize HVAC coils and recirculated air. UV-C sterilization […]

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Why copper pipe protective coating is important

in Blog, Coatings

Coating the coils of an HVAC unit is a known to extend the unit’s life. However, the performance of an HVAC unit is about more than just the coil. HVAC units are constructed from a variety of metals. These dissimilar metals react to environmental conditions in a variety of ways. Depending on the metal used […]

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Three Questions to Ask When Coating Oversized HVAC-R Units or Coils

in Blog, Coatings

Coating extremely large HVAC-R units or coils can be difficult. Their size (both dimensions and weight) makes the units/coils difficult to move and many coating applicators find it difficult to thoroughly apply coatings to protect them from corrosive elements. A large HVAC-R unit/coil is clearly a big investment, which makes the need to apply protective […]

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Heresite Coatings Featured in green HVACR Magazine

in News

Heresite, a leader in the development of thin film corrosion resistant coatings, has been featured in green HVACR Magazine. The article, Why You Should Use Coil Coating to Protect Your HVAC Equipment, includes 5 reasons to implement coil coatings, provides coating tips, and explains the difference between the ASTM B-117 salt spray test and the […]

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Heresite Releases Whitepaper “Choosing an HVAC-R Coating for Marine Environments”

in News

Heresite, a leader in the development of thin film corrosion resistant coatings, has released a new whitepaper, Choosing an HVAC-R Coating for Marine Environments. The whitepaper was developed to answer common questions around evaluating the options for HVAC-R coil coatings in offshore and coastal marine as well as other corrosive environments. “As testing methods have […]

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After 2.5 year exposure test, Heresite’s P-413 panels show no signs of wear

in Blog, Chemical Resistance Testing, Coatings, Uncategorized

To further expand on Heresite’s expansive chemical resistance guide, P-413 coated steel, copper, and aluminum panels were placed in a municipal wastewater treatment facility to simulate sewage fumes. Panels were placed at the point where raw sewage is pumped into the facility and screened; this results in significant hydrogen sulfide exposure, one of the harshest […]

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

in Blog, Chemical Resistance Testing, Coatings, Uncategorized

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 ASTM B-117 test is conducted, […]

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Heresite Develops Hydrophilic Topcoat in Response to Customer Requests

in Coatings, News

Heresite, a leader in the development of thin film corrosion resistant coatings, has launched HL-300, a robust hydrophilic coating for HVAC-R condensing equipment. The topcoat is designed to improve condensate management for reduced water carryover to allow for higher fan speeds on HVAC-R equipment. “Our customers came to Heresite for a more durable solution to […]

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