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 15 minutes (30 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:
Three of the products removed over 70% of the oil/starch mix after 30 minutes of total cleaning time. 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
0.0427
-11.49
0.0618
0.0340
44.98
0.1409
0.0457
67.57
VPW SC 1000
0.0799
0.0303
62.08
0.1641
0.0317
80.68
0.0563
0.0412
26.82
Ecco Commercial
0.2380
0.1195
49.79
0.1275
0.0086
93.25
0.0943
0.0188
80.06
Organic Cleaner/Degreaser
0.0477
0.0065
86.37
0.1354
0.0154
88.63
0.0785
0.0031
96.05
Super H2O2
0.1261
0.0199
84.22
0.0841
0.0193
77.05
0.1771
0.0522
70.53
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The top four cleaners were selected to be evaluated for higher cleaning temperatures for 15 and 30 minute cleaning.
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