is a German technical standard that specifies requirements for electroplated tin coatings

Minimum Thickness

: Specifies the required thickness of the tin layer based on the base material and intended environment.

Understanding DIN 50965: A Comprehensive Guide

  1. ZN12: Zinc-Nickel, 12µm thick.
  2. /cr: Chromate conversion coating (passivation).
  3. /T2: Color code (likely blue or iridescent yellow, depending on the revision).
  4. Action: You need to apply 12µm ZnNi (12-15% Ni) followed by Cr+3 passivation achieving 500+ hrs salt spray.