To compare the cleaning effectiveness between water, neutral cleaner, and ozone generated water.
Date Run:
02/25/2012
Experiment Procedure:
Water and ozone generated water were used at full concentration (100%). One neutral cleaner was diluted to 0.78% with DI water. Eighteen VCT coupons were coated with Wax three times for test. Before the cleaning, prepared VCT coupons were weighed. Coupon’s gloss levels were measured with gloss meter. After then, eighteen VCT coupons were soiled with Hucker's Soil Formulation (JifCreamy 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 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. Each VCT coupon was 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 sprays of cleaning solutions ;10 ml of same cleaning solution were poured on each coupon. The cleaning unit was run for 20 cycles (~33 seconds). At the end of the cleaning, coupons were wiped once with a widow squeeze to remove residual cleaning solution. Final weights and gloss were recorded, efficiencies were calculated and recorded.
Trial Results:
Results: the result of gravimetric analysis was not available since the initial coupon’s weight were heaver than cleaned coupons’ weights.
Gravimetric Table
Cleaner
Initial wt
Final wt
% Removed
water with paper towel
0.0231
-0.0036
115.58
0.0516
-0.0054
110.47
0.0809
-0.0516
163.78
cleaner with paper towel
0.0947
-0.1490
257.34
0.0296
-0.0447
251.01
-0.0156
-0.0787
-404.49
ozone water with paper towel
0.0198
-0.0247
224.75
0.0040
-0.0209
622.5
0.0110
-0.0568
616.36
water with red pad
0.0152
-0.0472
410.53
0.0074
-0.0534
821.62
0.0665
-0.0311
146.77
cleaner with red pad
0.0324
-0.0149
145.99
0.0017
-0.0559
3388.24
0.0897
-0.0487
154.29
ozone water with red pad
0.0042
-0.0795
1992.86
0.0166
-0.0769
563.25
0.0469
-0.0564
220.26
OR
Visual Table (gloss)
Cleaner
Wipe
unsoiled
soiled
cleaned
%DET
AVG
Water
paper towel
84.34
49.66
76.25
76.67
Water
paper towel
82.67
40.12
76.54
85.59
Water
paper towel
82.06
54.33
78.03
85.47
82.58
neutral cleaner
paper towel
85.14
40.97
81.05
90.74
neutral cleaner
paper towel
84.73
37.23
74.78
79.05
neutral cleaner
paper towel
80.42
46.59
79.38
96.93
88.91
ozone water
paper towel
83.45
51.26
76.62
78.78
ozone water
paper towel
80.26
52.94
76.22
85.21
ozone water
paper towel
82.54
52.72
75.44
76.19
80.06
Water
red pad
82.07
47.35
77.71
87.44
Water
red pad
83.76
51.24
82.42
95.88
Water
red pad
82.94
50.09
78.62
86.85
90.06
neutral cleaner
red pad
79.39
46.25
77.34
93.81
neutral cleaner
red pad
78.66
51.12
80.71
107.44
neutral cleaner
red pad
84.79
52.90
80.50
86.55
95.94
ozone water
red pad
83.93
45.66
74.38
75.05
ozone water
red pad
82.66
53.61
73.49
68.43
ozone water
red pad
85.10
38.46
75.94
80.36
74.61
Success Rating:
A cleanliness study, addressing only various analytical techniques.
Conclusion:
The test was not enough to compare the cleaning effectiveness based on certain limitation from the test method.
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