The color clear that enhances the metallic texture has differences in color that directly correspond to the film thickness and the underlying layer. This explains the management of color matching.
Even though it's the same color clear coat, the intensity of the color varies depending on the part. This difference is more noticeable with paint that emphasizes the metallic texture. 【First, please look here】 □ Areas with thicker paint are darker in color → The difference in film thickness directly translates to a difference in color. □ Even with the same film thickness, the color differs by part → This is due to differences in the polishing of the base material and the color of the material. □ Only the corners and edges are lighter in color → Paint does not adhere well to corners, resulting in a thinner film. 【Why does this happen?】 Color clear coat is a transparent coating with color. Since the base material is visible through it, the difference in film thickness and the base material is directly reflected. 【Countermeasures you can implement starting today】 1. Set target values and tolerances for film thickness and measure them. 2. Standardize the polishing method and material lot of the base. 3. Create three color samples with varying film thicknesses to ensure consistency. 【Free Materials】 You can download a guide summarizing how to identify and address painting troubles for free from the related catalog on this page. Eiwa Kogei offers a variety of color clear coat painting options.
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basic information
Coating: Color clear coating. Management items: Target values and allowable ranges for film thickness, polishing of the substrate, material lot, color samples by film thickness.
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Applications/Examples of results
Design parts that utilize the texture of metal, furniture and store fixtures, covers made of aluminum and stainless steel. Specification considerations by the design and purchasing departments, and color management by the quality control department.
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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.
