Available Processes

    Sulfuric Anodize, MIL-A-8625, Type II ROHS Compliant

    Clear, Black,

    Red, Blue, Gold, Green

    Custom Colors Available

    Sulfuric Anodize, MIL-A-8625, Type III (hard coat), ROHS Compliant

    Clear, Class 1

    Black, Class 2

    Architectural Anodize, 2-step electrolytic coloring (outdoor, UV resistant)

    AA-M12-C22-A34, AA-M12-C22-A44

    Light bronze to dark bronze to black

    Chemical Film, Mil-C-5541 spec (Alodine)

    CLEAR - ROHS Compliant
    Mil-DTL-5541F Class 1A and 3

    GOLD (OakiteĀ®)
    Mil-C-81706, MIL-C-5541
    Class 1A and 3

Electroless Nickel Plating on Aluminum

ASTM B733, Bright,

Cadmium-Free, Lead-Free, ROHS Compliant

Stainless Steel Passivation

ASTM-A-967, QQ-P-35C, Nitric, Citric

Stainless Steel Electropolish & Passivate


Other Services:

- Pre-anodize Bead Blast
- Etch/Clean only
- Strip only
- Non-caustic clean only
- Masking and plugging
- Certificates of Compliance Available

Want to learn more about anodizing? Click to visit our feel on-line e-booklet, "Understanding and Specifying Anodizing: what a Manufacturer Needs to Know". Or click to download our FREE pdf file!


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2Dye4 Anodizing provides Type II & III (hard coat) Sulfuric Anodizing in a variety of colors, as well as Chemical Conversion Coatings (Alodine), Architectural Anodizing, Electroless Nickel Plating, Stainless Steel Passivation & Electropolish, and other services to metal parts manufacturers (see our services section for more details). We use only the highest quality chemicals and tightly controlled processes to produce extremely beautiful, hard and durable finishes.

2Dye4's 8500 sq. ft building was custom modified to fit our state-of-the-art 130' linear anodizing line. Our large tanks, overhead bridge crane, and on-site water reclamation and recycling system are one-of-a-kind in the north Bay Area. We carefully designed our plant to provide superb quality coatings with quick turnaround and very competitive pricing.

It's easy to do business with 2Dye4.

You can call us at (707) 586-2663

Fax us at (707) 586-2665

Email us at rfq@2Dye4inc.com

Or upload files via our on-line quote form.

It is our honor to serve you!