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Mid Temp Black Oxide for Iron & Steel
Mid Temp (200°F) Black Oxide
for Iron & Steel

Room Temperature Blackening for Iron & Steel
Room Temperature Blackening
for Iron, Steel, and Stainless Steel

Black Oxide Process for Aluminum Alloys
Black Oxide Process for Aluminum Alloys

Decorative Antiquing
Decorative Antiquing

Finishing Gels
Finishing Gels

Rust Preventives and Sealants
Rust Preventives and Sealants

Metal Cleaners and Surface Conditioners
Metal Cleaners and Surface Conditioners

Process Equipment
Process Equipment - Tank Lines & Accessories


Brush-On Presto Black® Gel, Antique Brown® Gel, and Antique Black® Gel Available From Birchwood Technologies For Coloring Furniture Components, Architectural Railings, Metal Panels, Facades And More With A Durable Finish

Brush-On Gels for Coloring Furniture Components with A Durable Finish

Designed for use on any size parts, the new Presto Black® Gel, Antique Brown® Gel, and Antique Black® Gel formulations solve the application challenges of liquid products while producing an attractive, high quality, durable darkened finish.

Presto Black Gel is ideal for most non-stainless iron and steel surfaces. Without runs or drips, any size surface in vertical or horizontal position can be converted to a beautiful and durable black finish. Simple and safe to use, Presto Black Gel is applied at room temperature. Similarly, the Antique Brown and Antique Black Gels are designed for use on brass, bronze, and copper substrates to produce attractive, durable brown/black finishes on these metals.

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Want to evaluate black oxide on your parts?

evaluate black oxide

Send us 5-10 non-finished parts along with the completed sample request form. Then Birchwood Technologies will test metal finishing options and provide full details and samples.

Download Parts Submission Form


Want to explore more about Black Oxide?

HOw to Black Oxide

Our Free Ebook on "How to Black Oxide" ferrous and non-ferrous metals in-house provides an in-depth overview of:

How to Black Oxide
  • Benefits of in-house blackening
  • Corrosion resistenance
  • Range of black oxide options
  • How to handle rinse waters
  • Finishing equipment
  • Areas of opportunity

Get Free E-Book


Want to learn how to Antique metals in-house?

How to Antique

Our Free E-Book on "How to Antique" brass, copper, and bronze in-house provides an in-depth overview of:

How to Antique
  • Benefits of antique metal finishing
  • Substrate metals in common use
  • Beginning the process: from cleaning to highlighting, to protective topcoats
  • Waste treatment options
  • Finishing equipment

Get Free E-Book


Ask the Finishing Pros 
at Birchwood Technologies

Have a Finishing Question?

Ask the Finishing Pros
at Birchwood Technologies

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