Carefully rinse once with fresh, dilute (10%, V:V) hydrochloric or nitric acid to remove scale, metals, and bases.
They can remove organic soils, scale, and other inorganic residues.
Surface must be prepared by cleaning and removing loose scale, paint, etc., although paint that is properly bonded to a surface need not be removed.
ANSWER: Basically, it is a hot acid treatment during production to remove rust, scale and oils from the surface of steel.
Descaling agents are used to remove scale.
Then, the needle gun is used to remove rust, loose scale, and paint, leaving bare metal.
They help remove scale and increase the effectiveness of corticosteroid creams.
Using EMAT, the requirements to surface smoothness are less stringent; the only requirement is to remove loose scale and the like.
The system can operate through non-conductive adherent coatings, but there may be a need to remove heavy or loose scale and spatter.
High pressure water is used to remove scale (iron oxide) from red hot steel during the process of rolling into sheet or strip forms.