To evaluate supplied products for glass cleaning using manual cleaning
Date Run:
08/21/2011
Experiment Procedure:
Preweighed chrome and glass coupons were coated with glass soap scum 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 20 cycles (~30 seconds). At the end of the cleaning, coupons were allowed to air dry for 24 hours and weighed for a final time. Efficiency was calculated for each coupon.
Filming Streaking
7 = high filming 7 = high streaking poor (performance) 1 = no visible filming 1 = no visible streaking (excellent performance)
Trial Results:
Both the Clorox Glass Cleaner and Windex removed on average more than 96% of the glass soap scum. For glass surfaces, Clorox Glass Cleaner and Windex both removed on averaged above 98%. For chrome surfaces, Clorox Glass Cleaner removed over 99% of the soil and Windex removed over 96% of the soil.
Initial wt
Final wt
% Removed
%Average
Clorox Green Works Natural Glass Cleaner Glass
0.0858
0.0010
98.83
98.54
0.0705
0.0007
99.01
0.0538
0.0012
97.77
Johnson & Johnson Windex Glass
0.0988
0.0025
97.47
98.17
0.0525
0.0008
98.48
0.0556
0.0008
98.56
Clorox Green Works Natural Glass Cleaner Chrome
0.0645
0.0002
99.69
99.06
0.0829
0.0010
98.79
0.0845
0.0011
98.70
Johnson & Johnson Windex Chrome
0.0410
0.0024
94.15
96.82
0.0835
0.0015
98.20
0.0799
0.0015
98.12
Visual Evaluation
Streak
Cleaner
Observer 1
Observer 2
Observer 3
Average
Overall Ave
Clorox
1
2
1
4
2.33
2.56
Clorox
2
2
2
3
2.33
Clorox
3
2
3
4
3
J & J
1
1
1
1
1
2.11
J & J
2
3
2
1
2
J & J
3
4
3
3
3.33
Filming
Cleaner
Observer 1
Observer 2
Observer 3
Average
Overall Ave
Clorox
1
1
1
1
1
2.22
Clorox
2
2
2
2
2
Clorox
3
4
3
4
3.67
J & J
4
3
2
4
3
2.22
J & J
5
1
2
2
1.67
J & J
6
2
2
2
2
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The Clorox product performed slightly better than the conventional product in gravimetric evaluations. Visual observations showed that the Clorox product had better performance in regard to streaking but in regard to filming, the products performed similarly. Further testing could be completed to address different scenarios in preparation, application and cleaning.
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