To evaluate selected cleaners on supplied buffing compound using immersion cleaning.
Date Run:
09/06/2006
Experiment Procedure:
Seven products were selected from the lab's database of testing results based on supplied client information. Products were selected based on buffing compound removal potential and compatibility with brass metal substrates. Each product was diluted to 5% in 250 ml beakers using DI water and heated to 130 F on a hot plate. Twenty-one preweighed coupons were coated with the yellow buffing compound. The compound was heated to melting so that a handheld swab could spread the compound across 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:
All seven products removed over 70% of the buffing compound after 5 minutes of immersion cleaning. Three removed over 85%. 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
XL 100
0.1332
0.0230
82.73
0.0988
0.0190
80.77
0.1205
0.0474
60.66
MC 132
0.1797
0.0325
81.91
0.1247
0.0165
86.77
0.0710
0.0016
97.75
Inproclean 3800
0.1177
0.0228
80.63
0.1203
0.0309
74.31
0.1406
0.0221
84.28
Polyspray Jet 790 XS
0.2332
0.0379
83.75
0.1756
0.0187
89.35
0.1102
0.0017
98.46
Daraclean 283
0.1327
0.0274
79.35
0.2145
0.0349
83.73
0.2708
0.0821
69.68
Detergent 8
0.1725
0.0018
98.96
0.0934
0.0026
97.22
0.0569
0.0011
98.07
Gillite 0650 CI
0.1881
0.0299
84.10
0.3137
0.0980
68.76
0.3381
0.0840
75.16
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 compound. Cleaning with ultrasonic energy will increase the effectiveness of the products especially when dealing with intricate parts. With the products successful on the buffing compound, the next step will be to evaluate these cleaners on supplied parts at or after workshop.
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