Celebrate World Corrosion Awareness Day with 20% off eCourses and eBooks with code WCAD2024 at checkout!
Ambient conditions can be critical to the success or failure of a coatings project. It has generally been assumed by the industry that a sling psychrometer is more accurate in determining Relative Humidity and Dew Point than electronic sensors.
Ambient conditions can be critical to the success or failure of a coatings project. It has generally been assumed by the industry that a sling psychrometer is more accurate in determining Relative Humidity and Dew Point than electronic sensors. While this may be true for meteorological sling psychrometers that meet the criteria of ASTM E337 “Measuring Humidity with a Psychrometer (the measurement of Wet- and DryBulb Temperatures)”, the sling psychrometers in use in most coating applications appear to lose accuracy as temperatures increase above 80F. In the 80F range and above, electronic sensors appear to provide much more consistent data. When “red spirit” thermometers are slung in these temperature ranges, the dry bulb temperature may vary by ± 10F or more from the reading observed prior to slinging it.
For several decades, engineered coatings have been used to protect steel from corrosion. Many formulas were made and tested for their ability to prevent corrosion. Changes in the formulas would include different resins, pigments, solvents and additives. In this paper, we will talk about three specific pigments, which are also commonly referred to as reinforcing pigments.
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Customers equate a good, strong image with professionalism. The recent trend to improve one’s appearance forms a backdrop for ways to improve how you, your staff and your business are viewed by your customers, the community and your competition.
Most companies involved in abrasive blasting are familiar with this iconic illustration, which shows the components of an abrasive-blast equipment set up. In this article, the Occupational Safety and Health Administration (OSHA) regulations pertaining to each component are given.