To evaluate supplied product for DCC-12 oven soil removal from stainless steel and aluminum surfaces with an initial soak in solution prior to following TURI’s cleaning method for manual cleaning.
Date Run:
05/11/2017
Experiment Procedure:
The following experimental procedure is in accordance to TURI’s cleaning standard operating procedure for manual dish cleaning using a partially aged DCC-12 soil.
Soiling Process:
A set of pre-weighed stainless steel and aluminum coupons were contaminated with 0.5 grams of DCC-12 soil using a handheld swab onto the center of the coupon’s surfaces. DCC-12 was made with the following ingredients: Butter 85.4%, Sugar 6.5%, Deionized Water 4.3%, and Flour 3.4%. The coupons were then let to age in the oven at 450 oF for 25 minutes (normal DCC 12 aging is 2 hours). After the aging of the soil, the coupons were let to sit at room temperature to cool down for 20-30 minutes before reweighing again to determine the amount of contaminant added.
Cleaning Process:
Three soiled substrates were immersed into the respective cleaning agent for 5 minutes at a temperature bath of 110 F and followed by cleaning in the Gardner Straight Line Washability unit for 20 cycles (~33 seconds). The cleaning solutions were diluted to the desired concentrations specified by the vendor. Two Wypall X60 reinforced wipe was attached to the cleaning sled prior to running the SLW.
Efficacy Rating Process:
The substrates were left to dry at room temperature for an hour before weighing to determine the amount of contaminant removed.
Trial Results:
The objective of the experiment was to compare the efficacy of the sampled cleaners: Vi-Jon Economy Pot & Pan with the comparative cleaner Brady Pot & Pan through gravimetric and visual efficacy evaluations.
Comparative Analysis
Vi-Jon Economy Pot & Pan was observed to be slightly more effective on stainless steel surfaces as compared to the Brady Pot & Pan, with respective efficacy of 95.21% as compared to 88.28%. On aluminum coupons, Vi-Jon Economy Pot & Pan was comparable to Brady Pot & Pan with respective ratings of 91.96% as compared to 94.39%. Table pertaining to the amount of contaminant added and removed using a gravimetric scale by its respective cleaning agent to measure the efficacy of the cleaners.
Cleaner
Initial wt (g)
Final wt (g)
% Removed
Brady Pot and Pan Stainless Steel
0.3688
0.0225
93.9
0.3542
0.0663
81.28
0.3496
0.0362
89.65
Brady Pot and Pan Aluminum
0.3720
0.012
96.77
0.3687
0.0312
91.54
0.3708
0.019
94.88
Vi-Jon Economy Pot and Pan Stainless Steel
0.3591
0.0099
97.24
0.3632
0.0229
93.69
0.3719
0.0207
94.43
Vi-Jon Economy Pot and Pan Aluminum
0.3675
0.0533
85.50
0.3737
0.0267
92.86
0.3762
0.0093
97.53
Success Rating:
A cleanliness study, addressing only various analytical techniques.
Conclusion:
The supplied products from Vi-Jon compared equally with the Brady brand products.
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