What is paint? What is film thickness? ~About the importance of film thickness~
The paint hardens over time, forming a coating that protects the surface. The thickness of the coating is referred to as film thickness.
"What is film thickness?" Film thickness refers to "the thickness of a cured paint film," measured in μ/µm (microns/micrometers). 1μm = 0.001mm, which is an extremely fine unit. In general mechanical painting, Harada Iron Works often achieves the following film thickness: For primer only: 15µm to 75µm For topcoat: 300µm to 500µm The degree of reduction varies depending on the type of paint and the environment in which it is used, but film thickness gradually wears down each year. Therefore, a film thickness of just 10μm or 100μm can significantly change the durability of the coating. However, it is not simply the case that thicker film is better! Each type of paint has a specified film thickness at which its protective capabilities are maximized (refer to the manufacturer's paint documentation). The best approach is to form a coating with an appropriate thickness that is neither too thick nor too thin! It is extremely important not only to apply paint but also to manage film thickness properly and maintain it within the appropriate values! At Harada Iron Works, we have painted many products under strict film thickness management. If you have any concerns regarding painting, please feel free to consult us.
- Company：原田鉄工
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