To evaluate three supplied products for glass cleaning as part of three part experiment to evaluate product
Date Run:
06/01/2011
Experiment Procedure:
Supplied products were used at the recommended dilution (2.4%). Pre-weighed mirror, glass, and chrome plated aluminum coupons were coated with SSL Soil 2 (Glass soap scum: Water, hair gel, toothpaste, shaving cream, hair spray and spray deodorant) 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. Three coupons were placed into a Gardner Straight Line Washability unit. A 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 5 cycles (~10 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded and efficiencies recorded.
Trial Results:
All three products were effective for glass cleaning, removing more than 85%. The DFE 401 indicated low cleaning effectiveness on mirror surface than other cleaners. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
MD Stetson PC 220 mirror
0.0229
0.0024
89.52
0.0162
0.0018
88.89
0.0205
0.0019
90.73
MD Stetson PC 220 glass
0.0216
0.0020
90.74
0.0372
0.0024
93.55
0.0388
0.0024
93.81
MD Stetson PC 220 chrome
0.0220
0.0018
91.82
0.0350
0.0014
96.00
0.0365
0.0028
92.33
DFE 401 mirror
0.0092
0.0017
81.52
0.0074
0.0018
75.68
0.0115
0.0027
76.52
DFE 401 glass
0.0112
0.0022
80.36
0.0271
0.0017
93.73
0.0199
0.0020
89.95
DFE 401 chrome
0.0253
0.0022
91.30
0.0335
0.0019
94.33
0.0143
0.0020
86.01
MD Stetson PC 101 mirror
0.0561
0.0012
97.86
0.0719
0.0006
99.17
0.0141
0.0001
99.29
MD Stetson PC 101 glass
0.0317
0.0023
92.74
0.0619
0.0027
95.64
0.0483
0.0032
93.37
MD Stetson PC 101 chrome
0.0804
0.0026
96.77
0.0692
0.0022
96.82
0.0349
0.0042
87.97
Success Rating:
A follow up test, usually based on company input.
Conclusion:
All of the supplied products removed over 85% of the soil. The PC 101 had the highest removal efficiency and was the only product to be effective on all three soils for the three cleaning tasks.
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