To evaluate three supplied cleaning products for glass soil removal from glass and chrome surfaces.
Date Run:
10/17/2016
Experiment Procedure:
Three cleaners (Catholyte NaOH, Anolyte Hypochlorous, and Windex) were received “Ready to Use” (RTU). Pre-weighed coupons (three glass, three chrome) were coated with one half of a gram of glass soil, at room temperature, using a hand held swab. The contaminated coupons were air dried for 24 hours at room temperature and weighed again to determine the amount of soil added.
Three coupons of each substrate were placed in the SLW unit and a KC Wypal reinforced paper towel was attached to the cleaning sled and treated with two sprays of cleaning solution. Each coupon was sprayed twice with the same cleaning solution. The cleaning unit was run for 5 cycles (equivalent of 10 seconds of cleaning). Coupons were dried and final weights were recorded. Efficiencies were calculated and recorded.
Trial Results:
Each product was evaluated for visual and gravimetric removal of glass soil. The three supplied products removed over 89% of the glass soil on each substrate using the manual wipe unit. After cleaning, glass substrates contained streaking and filming from the glass soil. The Catholyte solution had the best ranking for both streaking and filming when compared to Windex.
Substrate
Cleaner
Initial wt
Final wt
% Removed
% Average
Glass
Catholyte
0.0509
0.0027
94.7
95.33
0.0522
0.0031
94.06
0.0471
0.0013
97.24
Anolyte
0.0511
0.0025
95.11
92.89
0.0578
0.0022
96.19
0.0578
0.0073
87.37
Windex
0.05
0.0041
91.8
91.81
0.0562
0.0053
90.57
0.0518
0.0036
93.05
Chrome
Catholyte
0.0567
0.0062
89.07
89.75
0.0541
0.0045
91.68
0.0531
0.0061
88.51
Anolyte
0.0509
0.0036
92.93
92.92
0.0606
0.0048
92.08
0.0591
0.0037
93.74
Windex
0.0626
0.0038
93.93
94.74
0.0568
0.0027
95.25
0.0747
0.0037
95.05
Visual
Cleaner
Streaking
Film
Tester 1
Tester 2
Tester 3
Ave
Tester 1
Tester 2
Tester 3
Ave
Glass
Catholyte
3
3
2.5
2.17
1.5
1
3
1.89
2.5
3
2
3
2
3
1.5
1
1
1.5
1
1
Anolyte
4
2
3.5
2.28
3.5
2
2.5
2.72
3
2
1.5
2
1
2
1.5
1
2
4.5
3
4
Windex
4.5
4
4
4
3.5
2
3.5
3.28
6
3
4
5
4
4
4
3
3.5
3
2
2.5
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
Catholyte NaOH, Anolyte Hypochlorous, and Windex efficiently removed Glass Soil on glass and chrome using the Manual SLW Unit. The Catholyte solution had the least amount of streaking and filming.
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