2021-11-01
HHF Foil Micron Thickness Specification
HHF Foil Micron Thickness Specification Then there may be water spots. Water spots refer to the white spots formed by water droplets on the surface of the foil before rolling. When it is slight, it will affect the surface condition of the foil surface, and when it is severe, it will cause the strip to break. Water spots are formed by water droplets in the oil or falling on the surface of the foil in the rolling mill. Controlling the moisture and water source in the oil is the only way to avoid water spots.
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