To evaluate the three successful products on the third supplied buffing compound using immersion cleaning.
Date Run:
09/05/2006
Experiment Procedure:
Three products from the previous trial were selected for testing. Each product was diluted to 5% in 250 ml beakers using DI water and heated to 130 F on a hot plate.
Nine preweighed coupons were coated with the plumb buffing compound that was heated to melting so that a handheld swab could be used to spread the compound onto the coupons. Coupons were weighed a second time to determine the amount of buffing compound added. Three coupons were cleaned in each solution for five minutes using minimal stir bar agitation. Coupons were rinsed for 15 seconds in a tap water bath at 120 F and dried using a dry compressed air for 30 seconds. Once dry coupons were weighed a final time and product efficiencies were calculated.
Trial Results:
The three products removed over 70% of the buffing compound within 5 minutes. Detergent 8 removed over 98% and Polyspray Jet 790 XS removed over 85%. The Matchless MC 132 removed over 90% with an additional minute of cleaning. The following table lists the amount of buffing compound applied, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
MC 132
0.2915
0.0996
65.83
0.3842
0.1449
62.29
0.0590
0.0044
92.54
Polyspray Jet 790 XS
0.0697
0.0128
81.64
0.1125
0.0172
84.71
0.0474
0.0032
93.25
Detergent 8
0.2483
0.0014
99.44
0.1411
0.0036
97.45
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
Three products were found to work on the supplied buffing compounds. Cleaning with ultrasonics will increase the effectiveness of the products especially when dealing with intricate parts. With the products successful on the buffing compounds, the next steps will be to evaluate these cleaners on supplied parts at or after workshop.
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