Pretreatment Handles Mill Scale, Laser Scale, Welds on Inconsistent Metals

DuBois’ phosphate-free PACRE pretreatment process is designed as an alternative to zirconium processes that are often not powerful enough to handle the mill scale, laser scale and welds found on many assemblies.

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DuBois’ phosphate-free PACRE pretreatment process is designed as an alternative to zirconium processes that are often not powerful enough to handle the mill scale, laser scale and welds found on many assemblies. This pretreatment process can be used to efficiently run multiple metals and types of parts while using the same washer without making process changes. For sustainability and energy savings, the process has no heat requirement. This also eliminates the risk of phosphate surcharges.

According to the company, PACRE delivers quality equal to or better than modern zirconium treatments by improving corrosion resistance on inconsistent steel, maximizing adhesion on laser-cut and welded assemblies, and micro etching aluminum and galvanized parts. 

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