The mystery of bubble escape is solved.
The true nature of pinholes is "a state where bubbles have lost their escape route." Why do bubbles occur during painting? The main causes are the rapid evaporation of solvents and gas generation. However, it is not that simple. If the film thickness is too thick, the internal gas does not have enough time to reach the surface, and bubbles become trapped within the coating. If the drying temperature is too high, it is also problematic. If it is too low, that is also an issue. Finding this "optimal value" is the key to eliminating pinholes.
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basic information
Quality control and improvement points regarding pinholes.
Price range
Delivery Time
Applications/Examples of results
Improvement of coating quality, pinhole countermeasures
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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