Why are surface conditioners important? The pre-treatment process that affects the adhesion of aluminum coatings.
Surface treatment agents are essential pre-treatments to prevent poor adhesion and peeling of aluminum coatings.
■Cause of Occurrence: Poor adhesion of aluminum is often attributed to paint or curing conditions, but the surface condition before painting has a significant impact. The aluminum surface retains oil, oxide film, processing dirt, and moisture. In this state, the paint film cannot adhere properly. The three processes to check are degreasing, surface preparation, and drying. Weakness in any of these can lead to peeling or blistering. ■Truth: Surface preparation agents not only clean the surface but also play a crucial role in creating a state conducive to paint film adhesion. Even if visible dirt is removed, if the surface is not suitable for painting, quality will not be stable. Variability hides behind defects. ■Improvement Measures: Manage chemical concentration, treatment time, liquid temperature, and drying conditions numerically, and separate conditions by material type such as aluminum, iron, and zinc plating. Please utilize materials that allow you to verify the degreasing, surface preparation, and drying processes.
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Confirmation of 3 processes: degreasing, surface adjustment, drying / Management parameters: chemical concentration, treatment time, liquid temperature, drying condition / Applicable materials: aluminum, iron, zinc plating (material-specific conditions) / Measures against poor adhesion, peeling, and blistering.
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Aluminum parts, automotive parts, metal products, industrial machinery.
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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.
