





🖤 Turn time into timeless with Birchwood’s instant antique magic!
Birchwood Antique Black M24 is a professional-grade, cold brush-on patina solution designed to rapidly create rich black and brown aged finishes on copper, brass, and bronze. Available in a 1-gallon size, it offers versatile application methods and customizable dilution for unique artistic effects. Trusted by industry experts since 1948, it delivers durable, sealant-compatible finishes perfect for architectural, artistic, and decorative metalwork.





| Color | Black |
| Brand | Birchwood |
| Surface Recommendation | Copper, Brass, and Bronze |
| Material | Wood Based |
| Model Name | Antique Black M24 |
| Size | 1 Gallon |
| Coating Description | Liquid Patina Solution for Black Finish on Metal |
| Item dimensions L x W x H | 5 x 5 x 11 inches |
| Item Weight | 3 Pounds |
| Finish Type | Patina |
| Special Feature | Flake Resistant |
| Liquid Volume | 1 Gallons |
| Paint Type | Conversion Coating |
| Number of Items | 1 |
| Manufacturer | Birchwood Laboratories LLC |
| Unit Count | 128.0 Fluid Ounces |
| Part Number | 740040 |
| Item Weight | 3 pounds |
| Product Dimensions | 5 x 5 x 11 inches |
| Item model number | M24 |
| Finish | Patina |
| Coverage | 100-150 sq ft/gallon |
| Special Features | Flake Resistant |
| Usage | Interior/Exterior |
| Batteries Required? | No |
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