To evaluate supplied product for DCC-17 removal from stainless steel and aluminum surfaces following TURI’s cleaning method.
Date Run:
05/08/2017
Experiment Procedure:
The following experimental procedure is in accordance with TURI’s cleaning standard operating procedure for kitchen soil removal.
Soiling Process: A set of pre-weighed stainless steel and aluminum coupons were contaminated with 0.5 grams of DCC-17 soil using a handheld swab onto the center of the coupon’s surfaces. DCC-17 was made with the following ingredients: Vegetable Shortening 33%, Lard 33%, Vegetable Oil 33%, and Carbon lampblack 1%. After all the stainless steel and aluminum coupons were contaminated with DCC-17 soil, the coupons were allowed to sit overnight then re-weighed to determine the amount of contaminant added.
Cleaning Process: Three soiled substrates were placed into a Gardner Straight Line Washability unit. Two Wypall X60 reinforced wipe was attached to the cleaning sled and soaked with 1 spray of cleaning solutions. The cleaning solutions were diluted to the desired concentrations specified by the vendor and heated to a temperature of 110 oF. Each substrate was sprayed 1 time with the same cleaning solution. The solution was allowed to penetrate for 30 seconds and followed by cleaning in the SLW unit for 20 cycles (~33 seconds).
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 is to compare the efficacy of the sampled cleaners: Vi-Jon Premium Pot & Pan with the Brady Premium Pot & Pan.
Comparative Analysis Vi-Jon Premium Pot & Pan was observed to be as effective as the comparative cleaner, Brady Premium Pot & Pan, on cleaning stainless steel substrate coupons; with respective efficacy ratings of 87.86% and 86.08%.
In comparison between Vi-Jon Premium Pot & Pan with Brady Premium Pot & Pan the respective efficacy was observed to be 84.27% and 86.35%. 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 Premium Pot & Pan Stainless Steel
0.4946
0.0814
83.54
0.4977
0.0854
82.84
0.5029
0.0410
91.85
Brady Premium Pot & Pan Aluminum
0.4877
0.0771
84.19
0.4927
0.0816
83.44
0.4984
0.0428
91.41
Vi-Jon Premium Pot & Pan Stainless Steel
0.4891
0.0715
85.38
0.4877
0.0577
88.17
0.4910
0.0490
90.02
Vi-Jon Premium Pot & Pan Aluminum
0.4878
0.0907
81.41
0.4861
0.0816
83.21
0.4908
0.0580
88.18
Success Rating:
A cleanliness study, addressing only various analytical techniques.
Conclusion:
In conclusion, the cleaning agents are listed in the following order from the observed most effective to the least effective cleaners for DCC-17 soil removal without prior soak in cleaning solution: Brady Premium Pot & Pan, Vi-Jon Premium Pot & Pan.
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