Aluminum Anodizing

We Push the Limits of Precision Engineering

Full Process Control: Precisely regulate oxide film thickness through meticulous control of voltage, current, electrolyte, and time.

Technology Alliance: We provide complete process chain support and joint R&D, spanning from pre-treatment, oxidation, coloring, to sealing.

Empowering Industries and Driving Innovation Our technology finds applications across electronics,automotive, aerospace, robotics and automation, semiconductors, healthcare, and other fields. Let's collaborate to turn your vision into reality.

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Anodizing Type

Surface preparation	Colors	Glossiness	Cosmetic availability	Thickness**	Visual appearance
As machined (Ra 3.2umClear, Black, Red, Blue,Glossy(Above 20 GU)No/ Ra 126μin)	As machined (Ra 3.2umClear, Black, Red, Blue,Glossy(Above 20 GU)No/ Ra 126μin)	As machined (Ra 3.2umClear, Black, Red, Blue,Glossy(Above 20 GU)No/ Ra 126μin)	No	for clear: minimumaverage thickness 10um, minimum local thickness 8um:blackand color: minimum Parts are anodizeddirectly after machiningMachining marks will be average thickness 15um,visible.minimum local thickness 12um	Parts are anodizeddirectly after machiningMachining

*Tolerances for all surface preparations are held after anodizing

Anodizing Type

Surface preparation	Colors	Glossiness	Cosmetic availability	Thickness**	Visual appearance
As machined (Ra 3.2umClear, Black, Red, Blue,Glossy(Above 20 GU)No/ Ra 126μin)	As machined (Ra 3.2umClear, Black, Red, Blue,Glossy(Above 20 GU)No/ Ra 126μin)	As machined (Ra 3.2umClear, Black, Red, Blue,Glossy(Above 20 GU)No/ Ra 126μin)	No	for clear: minimumaverage thickness 10um, minimum local thickness 8um:blackand color: minimum Parts are anodizeddirectly after machiningMachining marks will be average thickness 15um,visible.minimum local thickness 12um	Parts are anodizeddirectly after machiningMachining

Non standard requests

*Tolerances for all surface preparations are held after anodizing

* We supply a range of standard colors (see color options). If you need a particular RAL or Pantone color code, please contact networksales@protolabs.com

**As a standard, our anodizing thickness will follow ISO 7599: ISO class AA10 (for clear) and ISO class AA15. If your parts require different standards, please contact networksales@protolabs.com