Different metals have their own best surface treatment methods, depending on the hardness of the metal.
1, steel
The most effective way to clean uncoated steel is to use solvent cleaning or steam cleaning after sandblasting. In fact, the S

Abstract: Excess copper foil is etched. Electrolytic copper foil used in the market is generally galvanized on one side (commonly known as ash foil) and copper on one side (commonly known as red foil). Commonly used copper dripping is more than 70um galva