To evaluate three supplied products for all purpose cleaning following GS 37 requirements
Date Run:
07/11/2008
Experiment Procedure:
Two of three supplied cleaning products were diluted with DI water to vendor recommended concentration for all purpose cleaning (32:1 and 128:1). The third product was prepared following the specified procedure - oxygenating cold tap water for about 10 minutes.
Preweighed ceramic, plastic G-10 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-Clark Wypal reinforced paper towel 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, efficiencies were calculated and recorded.
Trial Results:
All three products were effective at removing the glass soap scum from the three surfaces using manual wiping. The Lotus Sanitizing System resulted in the highest efficiency, removing more than 90% of the soap film. The table lists the amount of soil added, the amount remaining after cleaning and the calculated efficiency for each coupon cleaned.
Substrate
Cleaner
Initial wt
Final wt
% Removed
Ceramic
Lotus
0.1193
0.0098
91.79
0.0842
0.0072
91.45
0.0382
0.0094
75.39
Pleascent
0.1373
0.0073
94.68
0.1250
0.0152
87.84
0.0744
0.0019
97.45
Compass
0.2517
0.0084
96.66
0.1124
0.0111
90.12
0.0937
0.0062
93.38
Painted steel
Lotus
0.0760
0.0020
97.37
0.0554
0.0021
96.21
0.1530
0.0071
95.36
Pleascent
0.1350
0.0156
88.44
0.4568
0.0224
95.10
0.1672
0.0220
86.84
Compass
0.1943
0.0029
98.51
0.3781
0.0067
98.23
0.0902
0.0028
96.90
Plastic
Lotus
0.0665
0.0061
90.83
0.0547
0.0068
87.57
0.1252
0.0048
96.17
Pleascent
0.1039
0.0041
96.05
0.0599
0.0056
90.65
0.0798
0.0046
94.24
Compass
0.0690
0.0011
98.41
0.0821
0.0044
94.64
0.0417
0.0012
97.12
Composite tile
Lotus
0.1330
0.0048
96.39
0.0885
0.0135
84.75
0.0282
0.0133
52.84
Pleascent
0.0468
0.0120
74.36
0.2268
0.0135
94.05
0.1569
0.0056
96.43
Compass
0.1016
0.0153
84.94
1.0722
0.0304
97.16
0.1332
0.0219
83.56
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The Lotus Sanitizing System was found to be effective for removing the Hucker's soil from various surfaces using manual wiping. It compared well to the two other cleaning products supplied for testing.
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