VCFERROUS - HOT BLACKENING SALT
VCFERROUS is a hot blackening salt used in the process of creating a black oxide finish on metal surfaces, particularly steel. This process, also known as hot black oxide or hot chemical blackening, involves immersing the metal parts in a heated solution of blackening salts, typically composed of sodium hydroxide, nitrites, and nitrates, at temperatures around 275-295°F (135-146°C) (Dorsetware Limited) (Manufacturing on Demand).
The hot blackening process involves several key steps:
1. Surface Preparation: The metal is thoroughly cleaned to remove any contaminants like dirt, grease, or rust.
2. Immersion in Blackening Solution: The cleaned metal is submerged in the hot blackening solution, where the surface reacts chemically to form a black oxide layer, primarily magnetite (Fe3O4).
Keywords
2.
1.
Fe3O
rust
dirt
steel
grease
Demand
275-295
nitrates
nitrites
magnetite
Immersion
VCFERROUS
metal parts
temperatures
contaminants
cleaned metal
Manufacturing
metal surfaces
hot black oxide
heated solution
sodium hydroxide
blackening salts
several key steps
black oxide layer
black oxide finish
Dorsetware Limited
HOT BLACKENING SALT
Surface Preparation
hot blackening process
hot blackening solution
hot chemical blackening
