To evaluate top alternatives on third supplied contaminant.
Date Run:
05/16/2007
Experiment Procedure:
Five products from the previous trial were selected and used at full strength based on past performance. The cleaning solutions were all heated to 130 F on a hot plate.
Fifteen preweighed alloy coupons were coated with the third supplied lubricant and weighed a second time to determine the amount of contaminant added to each coupon. Three coupons were immersed into each solution and cleaned for 5 minutes using stir-bar agitation. Coupons were rinsed in room temperature tap water for 15 seconds and air dried using compressed dry air for 30 seconds. A final weight was recorded, and efficiencies were calculated for each coupon cleaned.
Trial Results:
All five of the products removed over 90% of the lubricant. All but one removed over 95% and two of these removed over 97%. The table below lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Soy Gold 1100
0.4782
0.0441
90.78
0.3664
0.0353
90.37
0.4703
0.0279
94.07
Solsafe 245
0.4263
0.0187
95.61
0.5162
0.0109
97.89
0.5374
0.0425
92.09
Shopmaster RC
0.3993
0.0263
93.41
0.4303
0.0141
96.72
0.5563
0.0203
96.35
DS 108
0.3071
0.0107
96.52
0.3295
0.0097
97.06
0.3694
0.0078
97.89
D Greeze 500 LO
0.5063
0.0146
97.12
0.4665
0.0085
98.18
0.3407
0.0133
96.10
Success Rating:
Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.
Conclusion:
The effective products will be tested on the fourth supplied contaminant following the same laboratory procedures.
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