To evaluate supplied products on third soil type on glazed ceramic coupons.
Date Run:
02/24/2003
Experiment Procedure:
Four supplied cleaning products were diluted with DI water to vendor recommended concentrations for all purpose cleaning. Twelve preweighed ceramic 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 hand held swab and allowed to dry for 24 hours at room temperature. The contaminated coupons were weighed again to determine the amount of soil added. Photographs were taken.
Three coupons were placed into a Gardner Straight Line Washability unit. A Professional Painter's Rag 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 cleaning unit was run 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 a second set of photographs were taken. Efficiencies were calculated and recorded.
Trial Results:
All four products were successful in removing SSL Soil 3 from glazed ceramic coupons. The table below lists the amount of soil added and removed. Table 1. Soil Application and Removal
Cleaner
Initial wt
Final wt
% Removed
H2Orange2
0.0233
-0.0003
101.29
0.0237
0.0060
74.68
0.0217
0.0030
86.18
Super H2O2
0.0280
0.0024
91.43
0.0313
0.0047
84.98
0.0439
0.0081
81.55
Free Fall
0.0470
0.0033
92.98
0.0633
0.0017
97.31
0.0295
-0.0003
101.02
Ecogent
0.0618
0.0093
84.95
0.0286
0.0048
83.22
0.0163
0.0021
87.12
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The products will be evaluated on the second substrate, plastic G-10, using the third soil.
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