The purpose of this project is to test the removal of AATCC carpet soil from the given substrates.
Date Run:
02/16/2021
Experiment Procedure:
A total of 18 coupons were obtained and used for this test. Six coupons were used for each of the three cleaners. Nine coupons in total for each substrate, substrates being glass and chrome plated aluminum. The initial weights of the tiles were taken in order to use it as a standard and also determine how much soil was removed after cleaning. The coupons were then soiled with 1 gram of AATCC Carpet soil and baked in an oven at 75 degrees Celsius for four hours. These coupons were then removed after the 4 hours and dried overnight. Dried dirty weights were then recorded. The specified cleaners were then used to test cleaning effectiveness on the chrome plated aluminum surface and the glass surface. Each set of 3 coupons (per substrate) were placed in the SLW machine and washed. Two sprays of cleaner were applied to the Wypal and two sprays of cleaner was applied to each dirty coupon. The SLW cleaned for 20 swipes (down and back is 1) before removed the set and moving onto the next set of coupons. After all coupons were cleaned with their respective cleaners, they air dried for an hour before final weights were taken and recorded. Effectiveness of the cleaners was then calculated and recorded.
substrate 1 = glass
substrate 2 = chrome plated aluminum
Trial Results:
Cleaner
Substrate
Fnitial wt. of cont.
Final wt. of cont.
% Removed
Average % Removed
Overall % removal
A
1
0.3710
0.0189
94.91
93.45
93.72
0.7143
0.0183
97.44
0.4442
0.0533
88.00
2
0.4895
0.0225
95.40
93.99
0.4391
0.0312
92.89
0.3574
0.0226
93.68
B
1
1.0332
0.0156
98.49
97.90
95.23
1.0106
0.0170
98.32
0.9402
0.0291
96.90
2
0.3625
0.0216
94.04
92.56
0.6734
0.0288
95.72
0.2295
0.0277
87.93
C
1
0.9022
0.0191
97.88
97.80
96.29
0.9946
0.0233
97.66
0.9110
0.0194
97.87
2
0.7670
0.0244
96.82
94.78
0.3105
0.0200
93.56
0.5206
0.0315
93.95
Success Rating:
Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.
Conclusion:
Out of the 3 cleaners tested, cleaner C (1% Krud Kutter window wash) had the highest removal rate. The average overall removal rate from this product was 96% with its best surface removal being on glass. All products had a better removal rate on the glass surface. Overall, every product had a high removal rating. Cleaner A (SAAFH window and solar) had a 94% removal rating and cleaner B (Windex) had a 95% removal rating. The most satisfactory cleaner that was tested is 1% Krud Kutter Window Wash.
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