To evaluate selected products on third set of spindles using ultrasonic cleaning
Date Run:
05/11/2006
Experiment Procedure:
One of the three products was diluted to 5% using DI water and the other was diluted 50% in 600 ml beakers. The cleaning solutions were heated to 130 F in an ultrasonic tank.
The supplied parts were coated with a water based paint mixture. One end of spindle was immersed into a cleaning product and cleaned for 30 minutes using a 40 kHz ultrasonic tank. Visual observations were made at 5, 10, 20 and 30 minutes. After the cleaning, the part was rinsed in a tap water spray for 15 seconds at 120 F and air dried for 30 seconds at room temperature. The parts were then rubbed with a gloved hand to determine how easily the paint could be removed.
Trial Results:
The products removed most of the paint from the supplied parts. The observations made for each product are listed in the table below.
Cleaner
Time
End
Observations
Inproclean 4000 T
5
1-Top
No visual change
10
Paint coming off
20
Still paint at tip
30
Pull paint off of tip; Mostly clean
Inproclean 4000 T
5
1-Base
Paint peeling off; oil coming off
10
Good removal
20
Some paint hard to remove
30
Still paint remaining; Mostly clean
SC Acitisolv
5
2-Top
Paint peeling off base; coming loose
10
Peel off paint
20
Nearly clean
30
Clean
SC Actisolv
5
2-Base
Paint falling off; good removal of oil
10
Good removal of paint and oil
20
Nearly clean
30
Mostly clean
Success Rating:
A follow up test, usually based on company input.
Conclusion:
Both products removed most of the oil and paint from the spindles after 30 minutes of ultrasonic cleaning.
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