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ARGUNA® 621 Bright Silver Electrolyte

ARGUNA® 621 Bright Silver Electrolyte

For bright, brilliant white coatings without blue cast

ARGUNA® 621 deposits bright, very light white coatings without blue cast with simple bath maintenance. The silver electrolyte is suitable for decorative as well as technical applications, it is used for rack and barrel plating across a wide applicable current density range.

The throwing power of the bright silver electrolyte is excellent and it can be operated even at higher temperatures. For deposition on nickel, no strike silver plating is necessary.

Electrolyte characteristics

Electrolyte type

Alkaline-cyanide

Metal content

40 (30 - 45) g/l Ag

pH value

Alkaline

Operating temperature

RT (20 - 45) °C

Current density range

0.5 - 5 A/dm²

Plating speed

0.64 - 2.56 μm/min

Anode material

Fine silver

Coating characteristics

Coating

Fine silver

Purity

99.9 wt.% Ag

Colour of deposit

Light white

Brightness

Bright, brilliant

Hardness

80 - 110 HV

Max. coating thickness

More than 100 μm

Advantages

  • Very light, brilliant white colour without blue cast
  • Excellent throwing power
  • Wide temperature range up to 45 °C
  • Wide applicable current density range
  • High carbonate tolerance
  • Direct deposition on nickel without strike silver plating
  • Simple bath maintenance
  • Suitable for rack and barrel

Applications

  • Accessories
  • Jewellery
  • Watches
  • Spectacle frames
  • Household articles
  • Hollow ware
  • Writing implements
  • LEDs
  • Contact

Downloads

  • Produktblatt-arguna-621-en-screen-20190416.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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Umicore RISE Strategy 2030