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Trial Number 2
Trial Purpose:
To evaluate an all-purpose degreasing cleaner on the removal of baked-on oil from stainless steel coupons.
Date Run:
08/29/2019
Experiment Procedure:
Production Soil (200 ml Quench oil, 200 ml cutting oil) was prepared mixing for 20 minutes at room temperature (68˚F) using a magnetic stirrer. Approximately 100 mg of the soil was applied to a pre-weighed clean stainless-steel coupon on one side using a handheld swab. Production soil contaminated coupons were baked in an oven for 30 minutes at 105° C (220 ° F). Coupons cooled at room temperature (68˚F) before taking dirty weights.
Three coupons were immersed in an unheated, ready-to-use cleaner for 30 minutes. Coupons were rinsed in an unheated DI water bath for 20 minutes before drying in the oven at 105° C for 30 minutes. Coupons cooled to room temperature (68˚F) before final weights were recorded.
Trial Results:
Chemistry Evaluated
Initial Wt.(g) Cont.
Final Wt. (g) Cont.
% Cont. Removed
% Overall Removed
Crystal Simple Green
0.0898
0.0088
90.20
83.62
0.118
0.0099
91.61
0.0782
0.0242
69.05
Big Wipes Cleaner & Degreaser
4-201-023
0.0981
0.0108
88.99
90.36
0.0675
0.0079
88.30
0.0742
0.0046
93.80
Success Rating:
A cleanliness study, addressing only various analytical techniques.
Conclusion:
Big Wipes Cleaner & Degreaser 4-201-023 was more effective than Crystal Simple Green at removing production soil from stainless steel.
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