Color variations and uneven coloring are influenced not only by the paint but also by film thickness and drying conditions.
Complaints about color differences between lots, even with the same color number, or partial color unevenness are directly related to the appearance quality of automotive parts. The causes include insufficient mixing of the paint, variations in dilution rates, differences in film thickness, painting distance, curing temperature, and drying time. Color unevenness can also be a sign of unstable film thickness or poor curing, so it is important to standardize paint conditions, film thickness measurements, and curing conditions.
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basic information
Metal coating, color unevenness, color difference, film thickness management, baking conditions, paint mixing, lot management, automotive parts.
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Applications/Examples of results
Measures for color unevenness in automotive parts, construction hardware, industrial machinery, and metal products, and stabilization of lot quality.
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.
