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ARGUNA® 629 Bright Silver Electrolyte

ARGUNA® 629 Bright Silver Electrolyte

Electrolyte for bright white pure silver layers

The silver electrolyte ARGUNA® 629 deposits shiny, bright white coatings and is excellently suited for both technical and decorative applications. The electrolyte exhibits very good depth scattering and can also be used at higher temperatures. Furthermore, it convinces by a very wide working window. When depositing on nickel, no pre-silvering is necessary.

The bright silver electrolyte is suitable for both rack and barrel plating lines. The bright white deposited layers have no blue tint.

Electrolyte characteristics

Electrolyte type

alkaline cyanide

Metal content

30 g/l Ag 120 g/l KCN

pH value

12.0

Operating temperature

25 (18 - 40) °C

Current density range

0.5 - 4 A/dm²

Plating speed

0.6 μm/min at 1 A/dm² 2.5 μm/min at 4 A/dm²

Deposition rate

67 mg/Amin

Coating characteristics

Coating

Pure silver

Purity

> 99.8 wt.% Ag

Colour of deposit

bright-white

Brightness

bright

Hardness of deposit

approx. 110 HV 0.025

Max. coating thickness

More than 100 μm

Density of the coating

10.5 g/cm3

Advantages

  • Can be used at higher temperatures
  • Very bright white color
  • High layer purity
  • Wide applicable current density range
  • Very good depth scattering
  • High carbonate tolerance

Applications

  • 5G
  • High frequency technology
  • Electrical contacts
  • Jewelry

Downloads

  • Produktblatt_ARGUNA_629_EN.pdf

Your contact person

Markus Legeler

Markus Legeler

Manager Sales International
T: +49 7171 607 204
F: +49 7171 607 316
Email

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Our goals for the next Years

Umicore RISE Strategy 2030