Anodized Aluminum: Durability Meets Design for Modern Needs
In today’s fast - paced metal processing industry, anodizing aluminum stands out as a go - to solution for boosting both performance and visual appeal. At ShanFeng, we specialize in this essential technique, delivering tailored anodizing services to fit industries from architecture to electronics.
How Anodizing Works: Key Steps in Brief
Anodizing is an electrochemical process that creates a tough, protective aluminum oxide (Al₂O₃) layer on aluminum surfaces. Here’s the simplified breakdown:
- Surface Prep: We clean the aluminum to remove grease, dirt, or oxides—critical for a smooth, even finish later.
- Anodizing Core: The cleaned aluminum (as the anode) is dipped in an electrolyte (usually sulfuric acid). An electric current triggers a reaction, forming the oxide layer. We adjust voltage, temperature, and time to control layer thickness.
- Optional Coloring: Choose between electrolytic coloring (metal salts for long - lasting hues) or dyeing (organic/inorganic dyes for vibrant, custom shades).
- Sealing: The porous oxide layer is sealed with hot water or chemicals to lock in color and boost corrosion resistance.
Why Choose Anodized Aluminum?
- Durability Boost: The oxide layer resists scratches, corrosion, and wear—perfect for high - use items like automotive parts or outdoor fixtures.
- Design Flexibility: With a range of colors and finishes, it fits modern aesthetic needs, from sleek electronics to architectural accents.
- Eco - Friendly: No harmful heavy metals are used, and anodized aluminum is fully recyclable, aligning with sustainability goals.
- Cost - Effective: Its long lifespan reduces replacement needs, saving money over time.
Our Anodizing Services
At ShanFeng, we focus on practical, customer - centric solutions:
- Multiple Anodize Types: Offer Type II (decorative, thin layer), Type III (hard anodize, for heavy - duty use), and chromic acid anodize (precision parts).
- Fast Turnaround: Streamlined processes mean we meet tight deadlines without compromising quality.
- Quality Checks: Every step is inspected to ensure the oxide layer, color, and finish meet your specs.
Quick Reference Tables
Table 1: Anodize Type Comparison
Anodize Type
|
Thickness Range
|
Best For
|
Type II
|
5 - 50 μm
|
Decorative parts, consumer goods
|
Type III (Hard)
|
50 - 250 μm
|
Industrial machinery, aerospace parts
|
Chromic Acid
|
0.5 - 2.5 μm
|
Precision components (minimal size change)
|
Table 2: Popular Anodized Colors
Color
|
Common Uses
|
Clear
|
Highlighting aluminum’s natural look (electronics)
|
Black
|
Sleek finishes (automotive trim, furniture)
|
Bronze
|
Rustic - modern style (architectural railings)
|
Silver
|
Versatile, classic look (appliances, fixtures)
|
Ready to Get Started?
Anodized aluminum balances strength and style—ideal for modern projects. Contact ShanFeng today to discuss how our anodizing services can fit your needs.