To evaluate selected products for buffing compound removal.
Date Run:
08/04/2005
Experiment Procedure:
Nine products were selected from the lab's database of test results based on supplied information from the client. Each product was used at full strength at room temperature. A 250 ml beaker was filled with each product and placed on a stir plate.
Twenty-seven preweighed 260 Brass coupons were coated with the Mocha buffing compound. The compound was applied by heating the coupons and the buffing compound with a Master Appliance Heat Gun. The hot buffing compound was rubbed across the surface. Coupons were allowed to cool to room temperature and weighed a second time to determine the amount of contaminant applied. Three coupons were cleaned in each product for 5 minutes using stir-bar agitation. After cleaning, the parts were allowed to air dry for 10 minutes at room temperature. Once dry, final weights were recorded and efficiencies were calculated for each product.
Trial Results:
Several of the products were found to remove over 60% of the buffing compound while cleaning at room temperature. A couple of products removed about half of the buffing compound and a couple more removed about a third. Only two products had little success removing the buffing compound. The table below lists the amount of buffing compound applied, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
AK 225
0.1535
0.0854
44.36
0.1898
0.1431
24.60
0.2192
0.1247
43.11
Ensolv
0.2621
0.1601
38.92
0.1724
0.1033
40.08
0.2993
0.1187
60.34
CCA
0.2908
0.0666
77.10
0.2646
0.0879
66.78
0.2099
0.1300
38.07
MCA
0.2015
0.1084
46.20
0.2607
0.1737
33.37
0.2321
0.1606
30.81
Lenium CP
0.2009
0.1650
17.87
0.3606
0.3219
10.73
0.2959
0.2606
11.93
Lenium ES
0.3102
0.0800
74.21
0.3855
0.1383
64.12
0.1317
0.0601
54.37
Solvon IP
0.1674
0.0757
54.78
0.3607
0.1225
66.04
0.2899
0.0873
69.89
Solvon PB
0.2702
0.0563
79.16
0.1220
0.0829
32.05
0.0919
0.0580
36.89
HFE 7100
0.1499
0.1360
9.27
0.0798
0.0862
-8.02
0.1928
0.2286
-18.57
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
Seven of the nine product will be used on the second supplied buffing compound under the same conditions.
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