Hard anodizing different from plating | High-quality surface treatment suitable for large sizes
It integrates with the base material and does not peel off. This is a surface treatment technology that achieves high hardness and insulation properties, unlike plating. It can also accommodate heavy objects weighing 400 kg and castings.
The general and hard anodizing we offer is a "surface treatment" that oxidizes and hardens the aluminum substrate itself, unlike "plating," which involves overlaying a different metal onto the surface of the metal. Therefore, there is no concern about the typical "peeling" associated with plating, and it forms a strong film that integrates with the substrate. In particular, hard anodizing exhibits excellent wear resistance, electrical insulation, and corrosion resistance due to its very hard and thick film. In terms of equipment, we are fully equipped with a large line capable of handling sizes up to 1250×650×2700mm (weight 400kg). You can also rely on us for large and long products that are difficult to handle with plating. 【Our Features】 ■ High-durability surface treatment with no film peeling ■ Support for a wide variety of small lots, including requests from a single piece ■ Large sheet materials such as 1250×2500 are also acceptable ■ ISO9001 certified, with support for audit documentation, etc. *For more details, please download the materials or contact us.
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【Features of Hard Anodizing】 ■ Improved wear resistance (strong against scratches) - Proven performance in wear testing machines for two-wheeled and four-wheeled vehicles - Widely used in outdoor products ■ Thicker film thickness enhances gray coloration ■ Resistant to salt damage, with proven performance in marine components *For more details, please feel free to contact us.
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Examples of adoption of hard anodizing: - Wear testing machines for two-wheeled and four-wheeled vehicles - Outdoor products - Marine parts *For more details, please feel free to contact us.
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Founded in March 1948 as a specialized trading company for aluminum, we have been supporting the development of various industries, including automotive (heat exchangers), construction materials, machinery (IT), and food, since our establishment. Tominsho Co., Ltd. aims for a significant leap into the next era, responding to the increasingly diverse needs of users, and will vigorously advance further enrichment and development, starting with the expansion into new aluminum fields.








