Aluminum Sheet pretreatmnet technology is produced with oxidation and coating technology, it has good foundation for the good coating and aluminum sheet making. The Aluminum Circle in the production process will be some lubricants and residual oil, may also be attached to other substances. If it can not remove the adhesion and grease, aluminum will be impacted.
As the speed of the aluminum precoating is faster, this require the treatment must be high efficiency, to ensure the substrate cleaning.
