There are many kinds of disadvantages of the coating film, but most of them are concentrated in production and construction applications. At the same time, there are many reasons for the disadvantages, and the disadvantages of the same apparent phenomenon may also be caused by different reasons. Many service personnel feel at a loss. In order to solve these problems, we must first summarize the main factors of coating film defects in various situations, and introduce the reasons or mechanisms in detail, so as to find a method to analyze the defects. Table 7-1 lists Many common factors,
The above can be related to testing instruments such as: coating Thickness Gauge, Sag Tester, color difference meter
