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Trial Number 3

Trial Purpose:

To retest experiment done on 6/3/2021 to evaluate the effectiveness of Kitchen Cleaner for the removal of DCC-17 from ceramic, plastic, and stainless steel substrates.

Date Run:

06/08/2021

Experiment Procedure:

Two cleaning products were retested and then compared: SIMS daily kitchen cleaner and Lysol kitchen cleaner. The same three ceramic, three plastic, and three stainless steel coupons were obtained and weighed for both of the products being tested. Coupons were then soiled with DCC-17 and allowed to air dry for 24 hours. After 24 hours of aging, a dirty weight was recorded. Coupons were then loaded onto a Gardner-scrub Straight Line Wash unit set to 10 cycles per minute for 20 cycles. Three pumps of cleaner were applied to each of the respective coupons and four pumps of cleaner were applied to the scrubbing blocks. The cleaner was allowed to sit for 30 seconds. Following the 30 seconds of resting, the SLW unit was run to simulate scrub cleaning. Coupons were then removed from the machine and allowed to dry in air for 24 hours. After the drying period, coupons were weighed, and a final clean weight was recorded. Effectiveness of the cleaners was determined.

Trial Results:

SIMS Kitchen Cleaner was most effective in removing DCC-17 from plastic substrates by an average of 97.18% while Lysol Kitchen Spray removed an average of 5.49% off of plastic substrates. Lysol Kitchen Spray Cleaner was most effect in the removal of DCC-17 on ceramic substrates by an average of 99.37%, while SIMS kitchen cleaner removed an average of 70.89% of DCC-17 off of ceramic substrates.

Cleaner Substrate Initial wt. of cont Final wt. of cont % Removal Average
SIMs Kitchen Cleaner Ceramic 0.1048 0.0012 98.85 70.89
1.1812 1.0030 15.09
0.2749 0.0035 98.73
Stainless Steel 0.2562 0.0154 93.99 97.18
0.4277 0.0075 98.25
0.1458 0.0010 99.31
Plastic 0.2149 0.0038 98.23 46.90
0.1550 0.0019 98.77
0.1971 0.3081 -56.32
Lysol Kitchen Spray Cleaner Ceramic 0.2184 0.0019 99.13 99.37
0.2270 0.0014 99.38
1.1199 0.0044 99.61
Stainless Steel 0.4660 0.1095 76.50 79.72
0.3166 0.0126 96.02
0.2338 0.0780 66.64
Plastic 0.2084 0.0010 99.52 5.49
0.4410 0.0043 99.02
0.2144 0.6048 -182.09

Success Rating:

Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.

Conclusion:

SIMS Kitchen Cleaner was most effective in removing DCC-17 from plastic substrates by an average of 97.18% while Lysol Kitchen Spray removed an average of 5.49% off of plastic substrates. Lysol Kitchen Spray Cleaner was most effect in the removal of DCC-17 on ceramic substrates by an average of 99.37%, while SIMS kitchen cleaner removed an average of 70.89% of DCC-17 off of ceramic substrates. Next steps are to send the data to the company for further evaluation. 

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