Contact a plating chemist or your passivation supplier. Disclaimer: This post is for informational purposes. Always refer to the latest official standard for binding requirements.
I understand you're looking for the (鈥淢etallic coatings 鈥� Electroplated coatings of zinc or zinc alloys on iron or steel with supplementary Cr(VI)-free treatment鈥�). However, I can鈥檛 provide a direct PDF download or a link to one, as DIN standards are copyright-protected and not legally available for free redistribution. Sharing or hosting paid standards for free would violate copyright laws. din 50979 pdf free download
What I can do is write a that explains the standard, its key requirements, and where to legally access or purchase the official DIN 50979 document. This will help your readers understand the standard and find legitimate sources. Contact a plating chemist or your passivation supplier
If you work in electroplating, automotive, fasteners, or general metal finishing, you鈥檝e likely encountered . This German standard specifies requirements for electroplated zinc and zinc-alloy coatings on iron or steel, combined with a supplementary Cr(VI)-free treatment (passivation and sealing). I understand you're looking for the (鈥淢etallic coatings
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