six common myths are presented and analyzed for factual truth and understanding. The reader is cautioned to review articles and other presentations carefully to separate
It is important to understand that the VIS Guides only describes the pictorial standard and does not constitute the standard. It is to be used
There are multiple approaches for adhesion testing, but the shear test is an easy and inexpensive way to help determine if the coating system is
If you speak to any abrasive blast contractor, they will openly state that the air pressure achieved at the blast nozzle equates to the efficiency
Yes, you need to verify the presence of salts to prevent osmosis and thus osmotic pressure. This will create blisters or cracks on the coating
3-D surface profile rendering can be an improved alternative for the classical tape based Testex. With this tape based approach, a visual comparator or spring
There are two basic methods of measuring Relative Humidity and Dew Point Temperatures in the field. These are addressed in ASTM E 337, Standard Method
It is strongly suggested that electronic meters are used instead of sling psychrometers. This ensures the highest accuracy. Nevertheless, sling psychrometer are still widely used
The selection of a suitable pipeline repair/replacement coating is from a technical point of view the major decision to be made for a rehabilitation project.
The rehabilitation of pipelines is in many cases forced upon operators by the fact that leaks occur (severe pitting) or extended general corrosion has been
There are several above ground techniques with which it is suffucient to walk and measure coating defects over the entire lenght of the pipeline. A
Why hasn’t anybody else told me these things before? It would have really helped me to save costs, but more important, it would safed me from the frustration to go through a learning cycle that many others have been through.
Your time is scarce. But where do you find independent information that is up to date?
