The invention relates to the technical field of a daily washing article, in particular to a strong degreasing granule which can effectively remove the residual blot and greasecontamination.
This article has dealt with the selection of grease removal, phosphating residue removal and purified water generating equipment, and the control of dropping time and angles, and greasecontamination.
介绍了涂装前处理设备中除油、磷化除渣、纯水设备的选择，滴液时间、滴液角度、油污染的控制。
3
The presence of exogenous surface contamination, including dirt, grease, free iron from contact with steel tooling, and so forth, may interfere with the formation of the passive film.