Ultrasonic Cleaning Copper, Silver & Brass - Case Study

Customers Criteria: Free from all contamination
Component: Tooling
Material: Brass, Copper & silver
Contamination prior to cleaning: Flux, coolant, oil
Total number off: 2
Number off per run: 1

Ultrasonic Cleaner Cleaning Agent Temperature(s) Concentration
Kemet 12 Ultrasonic Cleaner Rodastel 30 45°C 10%
Kemet 12 Ultrasonic Cleaner Deionised water 40°C 100%

Process for cleaning copper, silver & brass tooling

Wash - Place the parts into the basket and submerge into the tank. Set for a cycle of 10 minutes.
Rinse - Transfer the parts from the wash basket into the rinse and leave for 2 minutes.
The parts where dried using a Kemet versa hot air dryer set at 50°C for 5 minutes, or alternatively using an air line.

% Satisfactorily Cleaned: 100%.
Etched effect: None

Before cleaning brass, copper & silver part

before cleaning brass, copper & silver part

After cleaning brass, copper & silver part

after cleaning brass, copper & silver part

Customers Criteria: Remove all contamination
Component: Pipes
Material: Copper
Contamination prior to cleaning: Staining, discolouring, Oxidise & Fluxes
Number off per run: 1

Ultrasonic Cleaner Cleaning Agent Temperature(s) Concentration
Kemet 12 Ultrasonic Cleaner Rodastel 30 45°C 3%
Kemet 12 Ultrasonic Cleaner Deionised water 50°C 100%
Versa 120 Dryer N/A 70°C 5 minutes

Process for cleaning copper

The piping was placed into the basket and then submerged into the tank and set for a cycle time of 20 minutes. As soon as the Sonics are turned on you can see the contamination being removed. After the wash cycle the parts have to be rinsed to neutralize any left on cleaning agent and contamination. Finally the parts were dried in the Versa hot air dryer set at 70°C for 5 minutes.

% Satisfactorily Cleaned: 100%.

Before cleaning copper part

before cleaning copper part

After cleaning copper part

after cleaning copper part

Customers Criteria: Free from all contamination
Component: Tool
Material: Cooper, Brass
Contamination prior to cleaning: Oxidation, Dullness & General dirt
Number off per run: 1

Ultrasonic Cleaner Cleaning Agent Temperature(s) Concentration
Mi40 Wash Rodastel 30 50°C 10%
Mi40 Rinse Deionised water 50°C 100%
Mi40 Dryer N/A 65°C 100%

Process for cleaning brass & copper

All parts were cleaned individually for test purposes; the parts were placed inside the basket then submerge inside the tank. All the parts had a 10 minute cleaning cycle in the ultrasoninc followed by a 3 minute rinse and 5 minutes in the hot air dryer.

Before cleaning brass & copper part

before cleaning brass and copper part

After cleaning brass & copper part

after cleaning brass and copper part