To evaluate alternatives for a longer cleaning time.
Date Run:
12/02/2004
Experiment Procedure:
Five products were selected based on test results from the previous trial. Each product was diluted with DI water to vendor suggested concentration. The products were then heated to 130 F on a hot plate.
The pre-contaminated stainless steel coupons were cleaned three coupons per product for another 10 minutes (15 total) using stir bar agitation. Cleaning was followed by a 15 second rinse in a tap water bath at 120 F and air blow off for 30 seconds at room temperature. Once dry, coupons were weighed a third time and efficiencies were calculated for each product tested.
Trial Results:
All five products improved with the additional 10 minutes. The Organic Cleaner/Degreaser removed over 80% of the oil/starch mix. The table below lists the amount of soil added, the amount remaining and the percent removed for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
SC Oven & Grill
0.0383
0.0469
-22.45
0.0618
0.0370
40.13
0.1409
0.0586
58.41
VPW SC 1000
0.0799
0.0368
53.94
0.1641
0.0863
47.41
0.0563
0.0540
4.09
Ecco Commercial
0.2380
0.1603
32.65
0.1275
0.0126
90.12
0.0943
0.0232
75.40
Organic Cleaner/Degreaser
0.0477
0.0099
79.25
0.1354
0.0292
78.43
0.0785
0.0079
89.94
Super H2O2
0.1261
0.0243
80.73
0.0841
0.0236
71.94
0.1771
0.0921
48.00
Success Rating:
A follow up test, usually based on company input.
Conclusion:
All five products will be cleaned for an additional 15 minutes (30 minutes total). All other conditions will be kept the same.
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