Blackening services for metal parts
*Types of Blackening Services
1. Hot Black Oxide Coating
. Process: Immersion in a heated alkaline solution to create a black magnetite (Fe3O4) layer.
. Applications: Tools, machine parts, firearms, and decorative items.
2. Cold Black Oxide Coating
. Process: Room-temperature immersion in a solution to deposit a black coating.
. Applications: Small parts, where high temperatures are undesirable.
3. Parkerizing (Phosphating)
. Process: Chemical reaction in a phosphoric acid solution to form a dark phosphate coating.
. Applications: Firearms, automotive parts, and military equipment.
4. Chemical Patina
. Process: Application of acids and other chemicals to create a darkened or colored surface.
. Applications: Artistic works, sculptures, and decorative items.
Keywords
acids
Types
Tools
Process
firearms
darkened
sculptures
Phosphating
Parkerizing
metal parts
Small parts
Fe3O4) layer
Applications
machine parts
black coating
Artistic works
other chemicals
black magnetite
Chemical Patina
colored surface
automotive parts
decorative items
Chemical reaction
high temperatures
military equipment
Blackening services
dark phosphate coating
Hot Black Oxide Coating
phosphoric acid solution
heated alkaline solution
Cold Black Oxide Coating
Room-temperature immersion
