Blisters that occur months later, even if there are no issues at the time of delivery. This explains the relationship between internal corrosion and pre-treatment.
Blisters may not appear immediately after painting, but can occur months later. If there is slight moisture or foreign matter left inside the paint film, and if there is insufficient chemical treatment or degreasing, adhesion can decrease, allowing moisture and oxygen to penetrate and cause corrosion. As a result, this manifests over time as blisters on the surface. This is not a sudden defect, but rather a manifestation of issues that began before painting, indicating that a review of the entire pretreatment process is necessary.
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basic information
Metal coating defect measures, pretreatment management, adhesion failure, pinholes, blisters, quality improvement.
Price range
Delivery Time
Applications/Examples of results
Improvement of painting defects in automotive parts, construction hardware, and metal products, and review of the pretreatment process.
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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