To guarantee the cleanness of aluminum trim coil floor, some pre-remedy steps are vital to take away remains grease and lubricants at the coil surface. Usually speaking, the pre-treatment entails three steps.

First, wash the raw 3003 aluminum coil stock in hot water. The main motive of warm water cleaning is to cast off the degreaser residue at the surface by having them dissolved in water therein, which further prevents…