Din 50961 Fe Zn 8b __exclusive__ Page

: Prevents "white rust" (oxidation of the zinc itself) and increases the durability of the finish.

The string of characters acts as a "recipe" for the finisher: din 50961 fe zn 8b

The letters a-d in DIN 50961 refer to the passivation (chromating) type: Transparent/Blue (Clear) b: Yellow/Iridescent c: Olive d: Black : Prevents "white rust" (oxidation of the zinc

Given the increasing regulatory focus on environmental sustainability, specifying Cr(VI)-free trivalent blue passivation is now standard practice. generally refers to a trivalent blue passivation unless otherwise specified. Chromium(VI)-free passivation treatments are safe and compliant with RoHS and ELV directives; they have no impact on the mechanical properties of fasteners and are necessary for compliance with environmental regulations. din 50961 fe zn 8b

DIN (Deutsches Institut für Normung) 50961 is the German industrial standard that governs the requirements for electroplated zinc coatings on ferrous materials. It ensures that regardless of who manufactures a part, the coating will meet consistent quality levels regarding corrosion protection, adhesion, and appearance. 2. The Base Material: Fe stands for

The current international standard for electroplated zinc coatings on iron or steel.