by Cynthia Gosselin, Ph.D. | Dec 2024 | CoatingsTech
Coating StandardsCool Roof Material Standards The Cool Roof Rating Council (CRRC) was established in 1998 to develop fair, accurate, and credible methods for evaluating and labeling the surface radiative properties of roofing products, specifically solar reflectance...
by Cynthia Gosselin, Ph.D. | Oct 2024 | CoatingsTech
This ASTM column is a bit different from previous ones that delved into testing standards and their foibles, histories, how-to instructions, and analytical results. The main theme of this writing is terminology—which, when dissected, leads to exact meaning, precise...
by Cynthia Gosselin, Ph.D. | Sep 2024 | CoatingsTech
In George Pilcher’s 2024 state of the paint industry article, he explains that supply chain issues still have not fully recovered from the challenges wrought by COVID-19.[1] Initially, it appeared that 2023 was going to be a year when the pandemic-related supply chain...
by Cynthia Gosselin, Ph.D. | Sep 2024 | CoatingsTech
Measuring ColorUnderstanding ASTM Standards Color is the most critical and obvious coating attribute because it is essential to match both large industrial batches and small one-gallon cans of DIY paint, ensuring the final product is visually consistent for everyone....
by Cynthia Gosselin, Ph.D. | May 2024 | CoatingsTech
The concepts of viscosity and rheology are often confused, even though they are significantly different. For this discussion, rheology is the study of the flow and deformation of liquids (paints and varnishes) under applied forces. Rheology includes viscosity,...