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๐ค Elevate your metal game with instant, artisan black oxide perfection!
Birchwood Presto Black STEEL PC9 is a premium 8 oz black oxide concentrate designed for iron and steel alloys. It delivers a fast-acting, deep blue-black patina through multiple application methods, offering customizable concentration for precision finishes. Trusted by professionals since 1948, this chip-resistant, weldable coating enhances metal aesthetics without heat or electricity, ideal for architectural, industrial, and artistic projects. Note: requires sealing to prevent rust.











| Age Range Description | Adult |
| Asin | B0DFRCBLRZ |
| Best Sellers Rank | #15,577 in Automotive (See Top 100 in Automotive) #86 in Care Corrosion & Rust Inhibitors #834 in Oils & Fluids |
| Brand Name | Birchwood |
| Color | Black |
| Color Code | #000000 |
| Container Type | Bottle |
| Coverage | 100-150 sq ft/gallon |
| Customer Reviews | 4.3 4.3 out of 5 stars (215) 4.3 out of 5 stars |
| Dry Time In Hours | 0.5 |
| Finish Type | Metallic |
| Is Waterproof | False |
| Item Form | Liquid |
| Item Volume | 8 fluid ounces |
| Manufacturer | Birchwood Laboratories LLC |
| Model Name | Presto Black STEEL PC9 |
| Model Number | 5602 |
| Paint Type | Conversion Coating |
| Part Number | 5602 |
| Size | 8 Fl Oz (Pack of 1) |
| Special Features | Chip Resistant |
| Specific Uses For Product | Interior/Exterior |
| Surface Recommendation | Metal |
| Unit Count | 8 Fluid Ounces |
| Upc | 850064905007 |
| Water Resistance Level | Water Resistant |
User
This stuff works excellent!
This stuff works excellent! Used it for a bunch of raw steel that I welded up for under-counter brackets, vintage ceiling lighting, etc... Was able to make it look super rustic, without the need to simply paint it black. Depending on how much you use, or how long you leave it on, will determine how dark/blackened the metal becomes.
User
Worked great on a 1911 A1
I needed to sand down the grip safety on a parkerized 1911 A1 a bit as it dug into the web of my hand. Used the Presto Black Steel when I was done and it came out great. A little darker than the original, but you wouldn't really notice unless you were looking for it. Holding up well.
User
Silver smithing
Love this product
User
As described
I have not used this product yet, but it was shipped quickly and appears to be as described.
User
Can not suggest, it doesn't work as needed.
Very disappointed. I tried this product as suggested in the instructions and even in a stronger ratio and it did nothing. Product turned a little black then basically all washed off when rinsing in water. I went back to painting my hardware.
User
Great firearm cleaner
Great product
User
Nice blueing
Not perfect but does a very nice job without a lot of hassle m
User
Good product
Works great
User
Funciona muy bien
Muy bueno
Trustpilot
2 weeks ago
2 weeks ago