Key points for temperature and film thickness management to prevent color unevenness in stainless steel.
Color unevenness that appears different despite being the same paint. It is caused by variations in temperature distribution and film thickness.
Even though the same paint is used, the colors appear different. Color unevenness is not always caused by the paint itself. ────────────── ■ Causes Color unevenness occurs due to variations in baking temperature and uneven film thickness, which lead to differences in color development. Stainless steel is a material that tends to show color unevenness because the reflection of light changes depending on the direction of the hairline finish. ■ The Truth When there are temperature differences inside the baking oven, even within the same lot, the curing state can vary by area, resulting in changes in color development. Variations in film thickness also affect how the color appears. ■ Improvement Measures Regularly measure and manage the temperature distribution inside the baking oven. Standardize spray conditions to maintain uniform film thickness. Please utilize materials that explain the methods for managing temperature and film thickness.
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Corresponding materials: Stainless steel (SUS304/316, etc.) / Compatible with temperature distribution management for baking.
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Stainless steel products such as fixtures, home appliance parts, and building materials that require design aesthetics.
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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.
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