Henkel Partners with Fiat Chrysler Automobiles on Alfa Romeo Giulia Luxury Vehicle

Henkel and Fiat Chrysler Automobiles (FCA) are set to discuss close cooperation in the development of ground-breaking new treatment processes applied to the latest version of the Alfa Romeo Giulia luxury vehicle.

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Henkel and Fiat Chrysler Automobiles (FCA) are set to discuss close cooperation in the development of ground-breaking new treatment processes applied to the latest version of the Alfa Romeo Giulia luxury vehicle. Both companies will share the podium at Surcar 2017 in Cannes, France, on June 29-30. FCA and Henkel worked together for almost three years to develop and tailor Henkel materials and systems for FCA’s specific needs.

Included in the collaboration is Henkel’s Bonderite two-step metal pretreatment technology designed to offer lightweight and sustainable performance.

The Bonderite two-step metal pretreatment process was developed by Henkel for multi-metal bodies with very high aluminum contents (up to 80 percent), providing superior corrosion performance while reducing investment and processing costs. The dip coating process uses zinc phosphate in the first step to treat the steel, followed by aluminum treatment in the post rinse. 

The new Giulia has a body that is 90 kg lighter than a comparable all-steel body, achieved by using aluminum to account for 45 percent of car body weight.

“Aluminum can be eaten up by the acids normally used to phosphate steel, so there is a need to find a balance in the treatment process,” says Manfred Holzmueller, sales director Transplant OEM Business at Henkel. “Corrosion performance is equal to tricationic zinc phosphate, but the Bonderite process generates 30 - 50 percent less sludge, consumes fewer chemicals, and creates less surface roughness that demands rework. Lower operating temperature also saves energy.”

At Surcar 2017, Holzmueller and Roberto Selvestrel from FCA Materials Engineering Paint will discuss results achieved by using new metal treatment systems applied to the new Giulia, created through close cooperation between body engineering, process and materials engineering, and the process material supplier. The presentation will shed light on a holistic approach involving state-of-the-art multi-metal pretreatment technology as well as acoustic, structural, sealing and coating technologies in the body and paint shop.

According to Holzmueller: “The new Cassino paint shop is providing FCA with a step-change in quality for its vehicles. The company now uses the most modern paint shop technology for the production of high class vehicles. We believe that the innovative spirit at Henkel is clearly on show in the new Giulia. We are facilitating weight reduction through the use of lighter metals, and we are helping our customer cut costs and improve sustainability by using fully automated application systems and reducing waste by avoiding sludge and overspray in its the processes.”

For more information, visit bonderite-mpt.com.