Anodizing Services
We provide professional anodizing services for aluminum and aluminum alloy parts. Anodizing creates a dense oxide layer that significantly enhances corrosion resistance, wear resistance, and aesthetic appearance. With customizable finishes and colors, our anodizing service is widely applied in aerospace, automotive, electronics, machinery, and consumer goods industries.
What is Anodizing?
Anodizing is an electrochemical process that forms an oxide film on the surface of metals (mainly aluminum and its alloys). The porous oxide structure allows for dyeing and sealing, improving both protection and decorative properties.
Why Choose Anodizing?
Corrosion Resistance – Prevents oxidation and rust.
Wear Resistance – Hard oxide coating extends part lifespan.
Aesthetic Variety – Multiple finishes and colors available.
Electrical Insulation – Excellent dielectric properties.
Improved Adhesion – Provides a good base for painting or coating.
Anodizing Surface Parameters
| Parameter | Range / Description |
|---|---|
| Coating Thickness | 5–25 μm (standard); 25–150 μm (hard anodizing) |
| Hardness | 200–600 HV |
| Corrosion Resistance | ≥ 500 hours in salt spray test |
| Surface Finish | Matte / Semi-gloss / Glossy |
| Color Options | Black, silver, natural, red, blue, green, gold, purple, etc. |
| Electrical Insulation | High resistance |
| Heat Resistance | 150–200℃ |
Color Options for Aluminum Standard Anodizing
Color anodizing can have some variation in color due to standard alloy tolerance variations. Check the color scheme below to see the color range.
Black (Black MLW)
Similar to: RAL 9004, Pantone Black 6
Clear
Similar to: depends on material
Red (Red ML)
Similar to: RAL 3031, Pantone 1805
Blue (Blue 2LW)
Similar to: RAL 5015, Pantone 3015
Orange (Orange RL)
Similar to: RAL 1037, Pantone 715
Gold (Gold 4N)
Similar to: RAL 1012, Pantone 612
Color Options for Aluminum Hard Anodizing
Black
Natural
(thicker layers will appear darker)
Anodized Parts Cases
Materials Suitable for Anodizing
| Material Type | Example Grades |
|---|---|
| Aluminum & Alloys | 2024, 5052, 6061, 6063, 7075 |
| Magnesium Alloys | AZ91D, AM60 |
| Titanium Alloys | TA2, TC4 (special anodizing) |
Note：Mainly applicable to aluminum alloys; other metals require specific conditions.
Applications of Anodized Parts
Aerospace – structural components, housings, fasteners
Automotive – engine parts, trims, body components
Electronics – phone casings, laptop housings, heat sinks
Machinery – pump bodies, gears, housings
Consumer Goods – sports equipment, lighting, cookware
