No Restrictions on Aluminium
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A new pre-treatment technology for the automotive industry allows for a multi-metal treatment at unlimited throughput of aluminium substrates. The process allows for greater flexibility in the use of the capacity of production facilities.
The rising mix of metal substrates, notably the lightweight construction material aluminium and also increasing volumes of zinc-magnesium materials are imposing new challenges on the pre-treatment process. This is why industry has for quite some time been looking for possibilities of retaining the known benefits of the tried and tested zinc phosphating technology while at the same time also meeting new market demands. Besides the substrate mix, demands also include ever more stringent environmental requirements, rising cost pressure and also compliance with specific quality standards and tests of the automotive manufacturers.