Decorative Finishes - Room Temperature Antiquing

Process Steps and Options to Choose From

Designed to be user and environmentally friendly, Birchwood Technologies blackening and antiquing processes are easy and safe to use in either manual or fully automatic lines. They offer you the maximum control over finish and operating cost.

Coupled with the Ion Exchange System, the line requires no water, drain or vent hookup and can be located anywhere in the plant ­ in a manufacturing cell or any convenient location. Birchwood Technologies is the smart alternative to other oxidizing processes.


Antiquing Process Steps

Surface Preparation

A surface free of oil, oxides and plating residues is needed. Brass plated parts need only a water rinse and weak acid rinse to remove cyanide residues. Solid parts can be degreased and prepared by conventional methods.


Antiquing Process Steps

Clean Water Rinse

Removes cleaning residues.


Antiquing Process Steps

Blackening/Oxidizing

Blackening/Browning concentrates are diluted with water. Parts are immersed 1-3 minutes or until desired color has developed. Or, concentrates can be applied as brush-on solutions for touch-up work or on large pieces.


Antiquing Process Steps

Clean Water Rinse

Stops the chemical reaction.


Antiquing Process Steps

Highlight and/or Seal

Parts may be wet burnished or dried and highlighted, then sealed. Or, if a solid color is desired, simply seal the finish with appropriate clear topcoat.


Questions? Call us at 1.800.328.6156