Powder Coating: Durable Color Meets Functional Protection






Anodizing is an electrochemical process that enhances metal surfaces by forming a controlled oxide layer. It improves corrosion resistance, wear durability, and visual appeal—especially for aluminum components. Suitable: Aluminum, titanium, magnesium, zinc Not Recommended: Carbon steel, stainless steel (unless pre-treated), plastics At SOMI, anodizing is more than protection—it’s precision with personality. We offer custom color-matched finishes, hybrid treatments, and aerospace-grade durability for components that perform and impress.⚙️ Anodizing: Durable Beauty Through Electrochemical Precision
🧩 What Is Anodizing?
🔁 Process Workflow
🧪 Common Types of Anodizing
Type
Description
Oxide Thickness
Type I (Chromic Acid)
Thin, soft layer for aerospace
~0.5–2.5 μm
Type II (Sulfuric Acid)
Standard decorative finish
~5–25 μm
Type III (Hard Anodizing)
Thick, wear-resistant layer
~25–150 μm
🎨 Color & Finish Options
🎯 Application Areas
💡 Technical Features
🔍 Pros vs. Cons
Advantages
Limitations
Durable oxide layer
Limited to non-ferrous metals
Vibrant, fade-resistant colors
Requires precise control
Lightweight protection
Not ideal for steel
Excellent paint adhesion
Color depends on alloy
🛠️ Compatible Materials
🔗 Related Surface Treatments
Process
Comparison to Anodizing
Electroplating
Metal layer added; better conductivity
Powder Coating
Thicker, flexible finish
Passivation
Chemical protection for stainless steel
Electroless Plating
Uniform metal layer on non-conductive surfaces
💬 SOMI's Surface Engineering Vision
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