Dear Joe,
I'm kind of new at this powder coating technology thing and heard an unusual description for powders. One of my operators talked about "winter" powder versus "summer" powder
Welcome to the inaugural edition of Finishing Today - our maiden voyage, busting out of the gates. In the past two months, I told you that we would be bringing about changes to our magazine.
I read with interest Rodger Talbert's response to the individual having difficulty with powder adhesion on aluminum (Powder Q&A, June 2006). Talbert is correct in referencing conversion coatings as the preferred chemical pretreatment, as well as the wet adhesion test as an indicator for pretreatment/powder performance.
One of the many lessons I got from my dad growing up was to always use the right tool for the job. As we all know about dads, putting that tool back in the wrong place was usually a direct route to "the look."
Chromium is a naturally occurring metal with many uses - and many risks. It has been identified as a human carcinogen that can significantly increase the risk of lung cancer, prompting the Occupational Safety and Health Administration (OSHA) to enact new legislation that reduces the concentration of hexavalent chromium (also known as Chrome VI) an employee is allowed to be exposed to during the workday.
CORTEC® CORP.: VpCI™-373 is a low-VOC water-based wash primer designed to promote adhesion on aluminum, stainless and galvanized metals and to eliminate previously required hexavalent chromate or acidic washes.
Advantages such as a smaller footprint, less power consumption, and quick startup and shutdown are making infrared technologies an increasingly popular choice for curing and drying applications.
The process of manufacturing a powder coating is a relatively complex, semi-continuous endeavor that must be carefully controlled to ensure a high-quality final coating
If your application requires high performance, it's time to shake off the TGIC polyester mindset and start exploring the brave new world of thermoplastic powder coatings.
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