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Atotech Aluminum increases corrosion resistance and aging resistance of aluminum surfaces
Aluminum is one of the most widely used industrial metals, playing a crucial role in both economic development and everyday life. As the manufacturing processes for aluminum and its alloys continue to evolve, attention has increasingly shifted toward improving surface treatments. While aluminum naturally forms a thin oxide layer when exposed to air, this protective film is not sufficient to prevent chemical corrosion or physical damage. Therefore, enhancing the corrosion resistance and durability of aluminum has become a key focus in modern material science.
To improve these properties, an electrolytic oxidation process known as anodization is commonly used. This technique creates a thick, protective oxide layer on the surface of aluminum, significantly increasing its resistance to aging, corrosion, and wear. In addition to maintaining the inherent advantages of aluminum—such as good ductility, thermal and electrical conductivity, and radiation resistance—the anodized layer also enhances aesthetics and provides additional functional benefits, effectively extending the lifespan of the material.
Many domestic companies offer aluminum oxide surface treatment, but challenges such as technical limitations, process inefficiencies, and high defect rates often lead to unsatisfactory results. Shanghai Amet Aluminum Co., Ltd., a leading player in the industry, has made significant advancements by optimizing traditional anodizing methods. Their R&D team has developed a more efficient and reliable process that reduces defects, improves yield, and enhances overall product quality.
Atotech’s anodizing technology stands out for its eco-friendly, non-toxic, and dust-free characteristics, along with vibrant and uniform coloration. The resulting anodized aluminum offers superior performance, including a surface hardness comparable to sapphire, making it highly scratch-resistant. It also features a low specific gravity, making it easier to shape and form. Additionally, it provides excellent electromagnetic shielding, making it ideal for use in solar panels and precision electronics.
The oxide layer formed through Atotech’s process is durable and does not flake off, ensuring long-term protection. What makes their process even more impressive is the simplification and optimization of production. Their advanced system supports continuous coil stamping, boosting efficiency, reducing costs, and minimizing defects. This innovation has positioned Atotech as one of the few global manufacturers capable of producing anodized aluminum on a continuous coil basis, helping them attract new customers and expand their market presence.
Today, Atotech’s anodized aluminum is widely used across various industries, including architecture, home appliances, electronics, automotive, and lighting. As a leader in surface treatment solutions in the Asia-Pacific region, Atotech continues to drive innovation, delivering high-quality products that meet evolving customer needs and industry demands.