To evaluate the two supplied product for all purpose cleaning a using manual cleaning.
Date Run:
12/05/2008
Experiment Procedure:
The supplied cleaning products were used at the delivered concentrations. Preweighed ceramic, plastic and painted 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. A Kimberly Klark 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:
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
PC122 HD Bio-Clean Ceramic
0.1131
0.0095
91.60
0.1728
0.0127
92.65
0.0658
0.0227
65.50
PC122 HD Bio-Clean Painted Steel
0.1155
0.0090
92.21
0.1167
0.0041
96.49
0.0330
0.0089
73.03
PC122 HD Bio-Clean Plastic
0.1694
0.0027
98.41
0.0775
0.0028
96.39
0.2539
0.0053
97.91
PC117 Winter Ceramic
0.1622
0.0099
93.90
0.1824
0.0097
94.68
0.1438
0.0073
94.92
PC117 Winter Painted Steel
0.0792
0.0062
92.17
0.0527
0.0329
37.57
0.1209
0.0035
97.11
PC117 Winter Plastic
0.0910
0.0069
92.42
0.0792
0.0067
91.54
0.0936
0.0081
91.35
Success Rating:
A follow up test, usually based on company input.
Conclusion:
Both of the products had an overall average efficiency over 85% and would be considered effective based on the TURI lab testing protocol for GS 37.
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