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NC220 the weakly acidic electrolyte is suitable for an uniform bright, yellow, hard gold (Gold-Cobalt) and crack free coatings up to 10 micron.
Due to the usage of special chemical components, the NC220 is equally suitable for rack and barrel application.
The precious metal content of the gold layer is approx. 23ct.
Gold content: 3, 5, 8 and 12 g/L
Catalogue
▢Very wide operating current density range
▢For technical and decorative applications
▢High corrosion and abrasion resistance
▢Electronic and communication industries
▢Cosmetic Packaging
▢Writing Utensils
▢Jewelry & Spectacle Frames
▢Bathroom Fittings
▢Clothing Accessories
| Electrolyte type | Weakly acidic |
|---|---|
| Metal content | 3, 5, 8, 12 g/L Au |
| pH value | 4.2 (3.8 - 4.6) |
| Operating temperature | 30 (20 - 40) °C |
| Current density range | 2.5 (1-5) A/dm2 |
| Plating speed | 0.15 μm/min |
| Anode material | MMO (RuO2-TiO2) or Pt-Ti |
| Coating | Gold-Cobalt |
|---|---|
| Alloy composition | 99.7 wt. % Au, 0.3 wt. % Co |
| Color of deposit | Yellow |
| Brightness | Bright |
| Hardness of deposit | 150 - 220 HV |
| Max. Coating Thickness | Crack free up to 10 μm |
| Density of the coating | Approx. 17 g/cm3 |