The occurrence of pinholes in anodized aluminum is related to sealing conditions. Adjusting to the painting specifications is important.
In aluminum anodizing, the sealing treatment conditions can affect the occurrence of pinholes. Insufficient sealing may leave internal voids that can gasify during baking. Conversely, excessive sealing can reduce paint adhesion, potentially leading to localized coating defects. As a countermeasure, it is important to align the sealing conditions with the painting specifications. Additionally, using a dedicated primer may improve adhesion. Detailed examples of improvements are also provided in publicly available materials.
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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.
