M24 Black Birchwood Technologies Patina for Brass, Bronze or

Metal patina M24 Black from Sculpt Nouveau will add a black finish to Bronze, Brass or Copper metal surfaces. Use a clear sealer to protect your finish when dry.

Birchwood Liquid Patinas – Sculpt Nouveau

Birchwood Casey Gel Patinas - All sizes – brickintheyard

Birchwood Technologies - The Compleat Sculptor

Metal Blackening & Finishing Gels

Birchwood Technologies Antique Black M24 - Cold Brush on Traditional Patina Solution to Create Black Aged and Distressed Look on Copper, Brass, and Bronze (1 Quart)

Sculpt Nouveau Birch Wood M24 Liquid Patina at Rs 3772/pack in New Delhi

How to Get the Blackest Black Patina on Metal, Jewelry

Birchwood Liquid Patinas

Room Temperature Oxidizers for Brass, Bronze, and Copper

Birchwood Casey Fast-Acting Brass Black Metal Finish to Blacken or Antique Brass, Copper, Bronze Parts

Birchwood Casey Brass Black Metal Finish, 3-Ounce : Hunting Cleaning And Maintenance Products : Sports & Outdoors

Traditional Blue Patinas

Birchwood Technologies - The Compleat Sculptor