1987-02-01

Abrasive Brushing/Scrubbing of Coil for Cleanliness, Bonding, and Performance 870173

To insure adequate adherence of coatings to metal surfaces, the coil coating industry has historically used abrasive brushes to clean and prepare the substrate. The use of 3-dimensional, nonwoven abrasive brushes to generate a surface finish, remove contamination, and increase the bondability of the coating to the strip is highlighted in this report. The role of chemical cleaners, as well as other abrasive type brushes is also discussed. The continued production of Zincrometal and other precoated materials for use in automotive applications attests to the high performance levels that are achieved by the coil coating process.

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