Process of chroming a car bonnet trim (continued)

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  1. The conductive wire and non-conductive weights are re-attached for the second electroplating.



  1. Pre-soak to remove polishing compounds (hot caustic 75°C) for 30 minutes.



  1. Alkali rinse.



  1. Electro-clean (cold cyanide solution) 12 volts anodic for 2 minutes.



  1. Rinse again.



  1. Acid etch (cold 10% sulphuric) for 2 minutes.



  1. Rinse again.



  1. Cyanide copper plate (hot cyanide 45°C) 12 volts cathodic 5 minutes.



  1. Rinse again.



  1. Acid etch (cold 10% sulphuric) 10 seconds.




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