To evaluate the supplied products for all purpose cleaning using manual cleaning.
Date Run:
03/12/2010
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:
All of the submitted products were effective in removing over 85% of the soil from the surface using manual cleaning. 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
md Steston PC 108 1:48_Ceramic
0.1523
0.0347
77.22
0.4360
0.0516
88.17
0.2306
0.0294
87.25
md Steston PC 108 1:48_Painted steel
0.1808
0.0142
92.15
0.2879
0.0130
95.48
0.3976
0.0135
96.60
md Steston PC 108 1:48_Plastic
0.2396
0.0150
93.74
0.3982
0.0194
95.13
0.2965
0.0019
99.36
md Steston 3Rs 1:48_Ceramic
0.3257
0.0439
86.52
0.1857
0.0504
72.86
0.2657
0.0494
81.41
md Steston 3Rs 1:48_Painted steel
0.5371
0.0312
94.19
0.4014
0.0220
94.52
0.4919
0.0230
95.32
md Steston 3Rs 1:48_Plastic
0.1969
0.0075
96.19
0.3667
0.0041
98.88
0.2987
0.0157
94.74
md Steston PC 101 1:200_Ceramic
0.1694
0.0416
75.44
0.1907
0.0446
76.61
0.2241
0.0444
80.19
md Steston PC 101 1:200_Painted steel
0.5027
0.0297
94.09
0.4880
0.0232
95.25
0.4890
0.0233
95.24
md Steston PC 101 1:200_Plastic
0.3839
0.0130
96.61
0.2793
0.0259
90.73
0.1759
0.0116
93.41
md Steston PC 220 1:128_Ceramic
0.1589
0.0247
84.46
0.6021
0.0011
99.82
0.5636
0.1495
73.47
md Steston PC 220 1:128_Painted steel
0.3513
0.0090
97.44
0.1246
0.0140
88.76
0.0761
0.0086
88.70
md Steston PC 220 1:128_Plastic
0.3392
0.0586
82.72
0.2834
0.0391
86.20
0.1758
0.0206
88.28
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The three products had an overall average efficiency over 85% and performed as well as the conventional cleaning product.
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