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⚙️ Transform your steel game with Caswell’s sleek black oxide power!
Caswell Black Oxide Concentrate is a high-performance liquid solution designed to blacken iron and steel parts (excluding stainless steel) with exceptional coverage of up to 1200 sq.ft. per gallon. Easily mixed at a 1:9 ratio with distilled water, it delivers a durable, corrosion-resistant finish in as little as 30 seconds to 10 minutes at room temperature. Ideal for professionals seeking a fast, reliable blackening process, it requires sealing post-treatment to ensure lasting protection.
| ASIN | B09MR7SK8L |
| Brand | Caswell |
| Brand Name | Caswell |
| Customer Reviews | 4.5 out of 5 stars 56 Reviews |
| Item Form | Liquid |
| Item Weight | 2.4 Pounds |
| Item form | Liquid |
| Item weight | 2.4 Pounds |
| Manufacturer | Caswell |
| Part Number | BOCONC1Q |
| Unit Count | 32.0 Milliliters |
| Unit count | 32.0 Milliliters |
L**N
A must have for knife making!
As long as your steel is clean this will do wonders for your surface finish!
G**M
As advertised
Excellent Product
C**U
Loved it.
Worked great when used as directed.
K**H
Works well
Works really fast when fresh - 30seconds. It's a 1:9 mix. One part blackening, 9 parts distilled water. As "stuff/contaminants" drop out of solution it may take 3 or 4 minutes. Filtering helps (400 sieve). A "splash" of blackening helps, but the solution is getting old.
J**H
Good quality
works well
Trustpilot
2 months ago
4 days ago