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PROCESS
Zinc plating is an electrolytic zinc deposit obtained in an alkaline or acidic medium
in accordance with the new environmental guidelines.
The exceptional properties of zinc protect the parts against external aggression
external influences:
- Anti-corrosion properties of the deposit
- Aesthetic quality of the finish
- Universal application (from M3 screws to city barriers)
The performance of electrolytic zinc coatings continues to improve in terms of
corrosion resistance, coefficient of friction and environmental friendliness.
and environmental friendliness.
Processes used:
- Barrel coatings (bulk) in automated production for parts that are not
impact resistant parts.
- Unitary coatings for large, fragile parts or parts requiring a perfect
perfect appearance.
- From small to large series
CHARACTERISTICS OF THE DEPOSIT
- Thickness: 5 to 20µm
- Corrosion resistance: white rust 24h to 96h; red rust 200h to 400h
depending on finish
- Substrate: Steel and cast iron
- Electrical conductivity: YES
- Excellent ductility, ability to deform
- Economical'' process
- Sacrificial coating
FINISHES
-Passivation: white, yellow, black or green
-Organic mineral finish (FOM or Top Coat) :
- reinforced (increases corrosion resistance)
- lubricated (control of the friction coefficient)
- reinforced and lubricated (combines corrosion resistance and improved coefficient of
friction
-The coefficient of friction is controlled according to the finishes chosen.
ADDITIONAL INFORMATION
- Cr6-free process
- Degassing carried out in a batch oven
- Possibility of carrying out tests:
- Salt spray tests according to EN ISO 9227 + D171058 (PSA and Renault)
- Thickness measurements by X-ray fluorescence and eddy current
- Adhesion
- - ...
- Inspection report
- Certificate of conformity
STANDARDS
-ISO2081
-ISO4042
-Complies with the requirements of the automotive and electrical/electronic industries
Before carrying out this treatment, we suggest that you proceed with the heat treatment of your part.