Blog:

On 2026-06-22
by Manon NARETTO, Agathe VIRFEU, Julie LESUR

Replacement of Black Chromium – Qualification of a REACh compliant alternative

Replacement of Black Chromium - Qualification of a REACh compliant alternative
Context: Protecting Tungsten Weights Black chromium is a specific plating applied to tungsten substrates (heavy metal cores) used as balancing weights. These weights are critical for stabilising helicopter rotors and reducing vibrations.  While the coating is non-decorative (matte black) and set up for anti-reflective applications, its primary function here is anti-corrosion. It is widely used [...]
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