To evaluate successful cleaners on the third supplied oil using immersion cleaning.
Date Run:
08/15/2006
Experiment Procedure:
Five successful products from the first two oil removal trials were evaluated on the third oil. The products were diluted to 5% in 600 ml beakers using DI water and heated to 130 F on a hot plate.
Fifteen pre-weighed coupons were coated with US Oil Company US Blanking Oil 250 using a hand held swab. Coupons were weighed a second time to determine the amount of oil 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 Master Appliance Heat gun at 500 F for 30 seconds. Once dry coupons were weighed a final time and product efficiencies were calculated.
Trial Results:
All five products removed over 85% of the blanking oil from the cold rolled steel coupons. Three of the five removed over 95%. The follow table lists the amount of oil added, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Surface Cleanse 930
0.3495
0.0360
89.70
0.2345
0.0369
84.26
0.3227
0.0406
87.42
Aquavantage 1400
0.2590
0.0383
85.21
0.2109
0.0404
80.84
0.2184
0.0216
90.11
Inproclean 3800
0.2704
0.0130
95.19
0.3418
0.0129
96.23
0.3548
0.0219
93.83
Sea Wash Blue
0.4008
0.0042
98.95
0.3153
0.0082
97.40
0.3284
0.0032
99.03
Mirachem 500
0.4318
0.0120
97.22
0.2906
0.0195
93.29
0.6219
0.0092
98.52
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
All five products will be used on the fourth supplied oil.
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