Boost durability and achieve a sleek metallic finish with our clear anodizing solutions.
Creates a transparent oxide film that protects aluminum from corrosion and light wear.
It preserves the natural metallic appearance, giving a clean, bright, and modern finish.
This process is commonly used in architectural panels, electronics, and consumer goods.
Clear anodizing is an electrochemical finishing process that forms a transparent oxide film on aluminum surfaces. This protective layer increases hardness, resists scratches, and enhances corrosion protection, while preserving the natural silver tone of the base metal. The finish provides a clean, modern appearance that is both durable and environmentally friendly. It is widely applied in industries where aesthetics and performance must go hand in hand, from architectural trims and consumer electronics to precision engineering components.
Preserves the silver tone of aluminum with a clean, modern look (satin to bright).
Sealed oxide layer improves resistance to humidity and atmospheric exposure.
Harder than bare aluminum; suitable for housings, trim, knobs, and panels.
| Feature | Info |
|---|---|
| Thickness | 5–15 μm |
| Appearance | Natural silver/grey |
| Surface Hardness | ≈150–300 HV |
| Surface Roughness | Ra 0.8–1.6 μm |
| Corrosion Resistance | Good |
| Typical Applications | Electronics housings, heat sinks, decorative parts |
Clear Anodized Aluminum Finish for CNC Parts helps CNC part buyers add corrosion resistance and a clean natural aluminum appearance without heavy color change. MTSPi CNC reviews the machined geometry, material grade, tolerance-sensitive areas, cosmetic expectations, and inspection needs before recommending a finishing route.
This page is written for sourcing and engineering teams that need practical finishing decisions, not just a process name. Share drawings, material, quantity, finish standard, color or texture target, masking requirements, and critical dimensions with the RFQ.
| Buyer question | Why it matters | Practical action |
|---|---|---|
| Material compatibility | Confirm that the material and alloy can accept the finish reliably | Avoid adhesion, color, hardness, or corrosion problems |
| Dimensional impact | Review coating thickness, edge build-up, holes, threads, masking, and critical fits | Protect assembly dimensions after finishing |
| Appearance standard | Define visible faces, gloss, matte texture, color range, and acceptable marks | Keep cosmetic expectations realistic |
| Inspection needs | Select visual checks, thickness checks, hardness checks, adhesion tests, or sample approval as needed | Match evidence to part function and buyer risk |
Surface treatment should be planned before final machining whenever possible. Threads, bores, bearing fits, sealing faces, electrical contact areas, and cosmetic surfaces may need different handling. For repeat work, keep a finish sample, color reference, thickness target, and packaging instruction with the drawing revision.
What should I confirm before choosing this finish? Confirm material grade, part function, cosmetic standard, masking needs, tolerance-sensitive surfaces, expected environment, and inspection requirements.
Can MTSPi CNC machine and finish the same parts? Yes. MTSPi CNC can support machining, finishing coordination, inspection, and packaging so the finish plan matches the machined part requirements.
Will surface treatment affect dimensions? Some finishes add thickness, change edges, or affect holes and threads. Critical fits should be marked on the drawing and masking or post-finish checks should be discussed early.
