Blackening Products For Metal Surfaces
- Blackening products for metal surfaces are used to provide corrosion resistance, aesthetics, and anti-reflective properties. The process is often called black oxide coating, cold blackening, or hot blackening, depending on the method used.
* Types of Blackening Products for Metal Surfaces
1. Cold Blackening (Cold Oxide)
Best for: Steel, iron, and some stainless steels.
Process: Room-temperature immersion in a selenium-based solution to form a black coating.
Benefits: Quick application, low energy cost, but less durable than hot black oxide.
Examples:
Birchwood Casey Presto Black
Blackfast 181 Cold Blacking Solution
2. Black Phosphate Coating
Best for: Steel and iron.
Process: Phosphating with manganese or zinc, followed by an oil topcoat.
Examples:
Parkerizing solutions # Blackening Chemical Manufacturer.
