To re-evaluate supplied product for all purpose cleaning at two dilutions.
Date Run:
11/04/2008
Experiment Procedure:
The supplied cleaning product was used at two concentrations (1 oz per gallon and 4 oz/gallon) as requested.
Preweighed ceramic, plastic and steel coupons were coated with Hucker's Soil Formulation (Jif Creamy Peanut Butter 9.2%, Salted Butter 9.2%, Arrowhead Mills stone ground wheat flour 9.2%, Egg Yolk 9.2%, Evaporated milk 13.8%, Distilled water 45.8%, Printer's ink with boiled linseed oil 0.9%, Shaws saline solution 2.7%) using a handheld swab and allowed to dry for 24 hours at room temperature. The contaminated coupons were weighed again to determine the amount of soil added.
Three coupons were placed into a Gardner Straight Line Washability unit. AA Wypall X60 reinforced wipe was attached to the cleaning sled and soaked with 5-7 sprays of cleaning solutions. Each coupon was sprayed 7-10 times with the same cleaning solution. The solution was allowed to penetrate for 30 seconds followed by cleaning in the SLW unit for 20 cycles (~33 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded, and efficiencies were calculated and recorded.
Trial Results:
One of the two dilutions had an overall average efficiency greater than 85% and the other removed less than 80%. The removal of the soil from the ceramic surface was the most challenging for lower dilution. The table lists the amount of soil added and the amount remaining after cleaning and the product efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Heavy duty 0.78 - Ceramic
0.3255
0.0509
84.36
0.1088
0.0455
58.18
0.1048
0.0460
56.11
Heavy duty 0.78 - Plastic
0.1103
0.0277
74.89
0.0816
0.0090
88.97
0.1190
0.0063
94.71
Heavy duty 0.78 - Steel
0.0663
0.0057
91.40
0.0476
0.0109
77.10
0.0482
0.0064
86.72
Heavy duty 3.125 - Ceramic
0.1390
0.0034
97.55
0.0788
0.0112
85.79
0.0681
0.0050
92.66
Heavy duty 3.125 - Plastic
0.0066
0.0006
90.91
0.0378
0.0017
95.50
0.0726
0.0056
92.29
Heavy duty 3.125 - Steel
0.0715
0.0040
94.41
0.0340
0.0027
92.06
0.0255
0.0039
84.71
Success Rating:
A follow up test, usually based on company input.
Conclusion:
One of the two dilutions had an overall average efficiency over 85% and would be considered effective based on the SSL testing methodology.
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