The effects of film thickness and drying management are tremendous.
This document explains the relationship between bubbles, film thickness, and drying conditions, which are the causes of paint pinholes, as well as countermeasures. Pinholes occur due to solvent evaporation or gas generation. The entrapment of bubbles can be caused by thick application or rapid heating. Simply raising the drying temperature may not improve the situation, so optimizing film thickness and drying conditions is crucial. Our company has published case study materials on improvements. Please take a look.
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basic information
Pinhole countermeasures, film thickness management, improvement of drying conditions.
Price range
Delivery Time
Applications/Examples of results
Improvement of coating pinhole defects
Company information
We are not just a "subcontracted painting factory." Established in 1958, our company has a foundation of painting technology and also specializes in chemical treatment, stripping, and cleaning, functioning as the "external surface treatment department" in your organizational chart. Based on our philosophy of "preparation is eight-tenths of the work," we emphasize participation from the "upstream process" before the drawings are finalized. We conduct test painting on a wide range of metals and difficult materials, and we produce the entire process from assembly, packaging, to delivery, thereby reducing your management workload. Additionally, by being able to perform zinc phosphate treatment in-house, we achieve stable painting quality. Furthermore, our micro-heating stripping technology, which does not use chemicals, maintains the electrical state of the "jigs (hangers)" that influence painting quality. Our approach of "pre-treatment determines painting quality" ensures the stability of the paint film during mass production. Rather than simply "applying specified standards," we work backwards to achieve optimal painting specifications and prevent scratches during transportation, sparing no effort in thorough discussions from the outset. This diligent preparation is the shortest path to preventing rework and minimizing total costs. From the development stage, please utilize the expertise of our specialists as part of your production line.
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