The Gold Pen Plating Solution HB plates heavy deposits of gold. It is useful for building up gold on worn contacts on printed circuit board repair work and high-end jewellery applications. This solution plates a shade of gold with a slightly yellower hue which approximates to between the Swiss watch industry standard of 2N and 3N. Gold concentration: 25 grams per litre Voltage: 4 – 5 volts HS Code: 3824 99 70
