Rhodium Black for Tank

The black rhodium process for Tank is an acidic electrolyte, from which black abrasion- and corrosion-resistant layers can be deposited.
A typical field of application is the coating of jewellery, optical frames and watches.

Process Conditions:
  Working temperature: 30°C
  Current density: 1-3 A/dm²
  Rhodium content: 1,5-3 g/l
  Rate of deposit: approx. 0,1µ in 1 min. at optimal conditions

 

Rh black for tank