To evaluate possible alternatives to TCE for first supplied oil.
Date Run:
08/14/2006
Experiment Procedure:
Eight alternative products were selected from the lab's database of testing results based on supplied client information. Products were selected based on oil removal potential and compatibility with various metal substrates. Each product was diluted to 5% in 600 ml beakers using DI water and heated to 130 F on a hot plate.
Twenty-four preweighed coupons were coated with US Oil Company US Draw 1517 (petroleum oil) 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:
Four of the eight selected products removed over 85% of the oil from the stainless-steel coupons within the five minutes of immersion cleaning. One product, Sea Wash Blue, removed over 95% of the oil. 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
SC Aircraft & Metal
0.1014
0.0708
30.18
0.1888
0.0858
54.56
0.2943
0.1044
64.53
Surface Cleanse 930
0.3772
0.0449
88.10
0.2622
0.0293
88.83
0.1642
0.0286
82.58
Daraclean 283
0.2194
0.0593
72.97
0.4346
0.0801
81.57
0.3446
0.1001
70.95
Aquavantage 1400
0.3483
0.0487
86.02
0.3483
0.0443
87.28
0.3023
0.0435
85.61
M Aero NS
0.2269
0.0604
73.38
0.2705
0.0471
82.59
0.2567
0.0702
72.65
Beyond 2001
0.3296
0.0453
86.26
0.3189
0.0772
75.79
0.3351
0.0813
75.74
Inproclean 3800
0.3067
0.0357
88.36
0.2583
0.0537
79.21
0.3394
0.0184
94.58
Sea Wash Blue
0.3669
0.0048
98.69
0.4242
0.0149
96.49
0.5201
0.0233
95.52
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
The four effective products will be used on the next supplied oil.
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