|link| - Din 50961 Fe Zn 8b

Modern enforcement of and REACH restricts hexavalent chromium (Cr(VI)) in passivation layers. Traditional "type b" blue chromate often contained Cr(VI).

The designation refers to a specific standard for electroplated zinc coatings on iron or steel. While this standard was technically replaced by DIN EN ISO 2081 , it is still widely referenced in engineering specifications to define coating thickness and finish. Designation Breakdown din 50961 fe zn 8b