To evaluate four supplied products for all purpose cleaning following GS 37 requirements
Date Run:
11/13/2012
Experiment Procedure:
The three products were used at full strength as recommended.
Preweighed porcelain, painted steel and plastic coupons were coated with DCC-17 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 Kimberly-Clark Wypal reinforced paper towel was attached to the cleaning sled and soaked with 2-3 sprays of cleaning solutions. Each coupon was sprayed 1-2 times with the same cleaning solution. The cleaning unit was run for 20 cycles (~33 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded, efficiencies were calculated and recorded.
ChemistriesEvaluated: Cleaner: 1. Common Good & Company All Purpose Cleaner; 2. 7th Generation ALL Purpose; 3. Formula 409
Trial Results:
All three products were NOT effective at removing the PCC-17 from the three surfaces using manual wiping. The Product 3 resulted in the lowest efficiency, removing just over 78% of the DCC-17. The table lists the amount of soil added, the amount remaining after cleaning and the calculated efficiency for each coupon cleaned. A- Porcelain; B- Painted steel; C-Plastic
Cleaner
Sub
Initial
Final
%Removed
Ave % Removed
1
A
0.0271
0.0050
80.44
77.55
1
A
0.0514
0.0065
87.35
1
A
0.0330
0.0116
64.85
1
B
0.0526
0.0041
92.21
91.76
1
B
0.0428
0.0041
90.42
1
B
0.0545
0.0040
92.66
1
C
0.0454
0.0087
80.84
76.52
1
C
0.0725
0.0169
76.69
1
C
0.0311
0.0087
72.03
2
A
0.0500
0.0092
81.60
64.38
2
A
0.0239
0.0109
54.39
2
A
0.0217
0.0093
57.14
2
B
0.0490
0.0024
95.10
94.60
2
B
0.0297
0.0017
94.28
2
B
0.0340
0.0019
94.41
2
C
0.0118
0.0026
77.97
76.68
2
C
0.0305
0.0115
62.30
2
C
0.0382
0.0039
89.79
3
A
0.0528
0.0084
84.09
73.00
3
A
0.0618
0.0232
62.46
3
A
0.0345
0.0095
72.46
3
B
0.0288
0.0026
90.97
93.05
3
B
0.0426
0.0025
94.13
3
B
0.0420
0.0025
94.05
3
C
0.0319
0.0009
97.18
84.44
3
C
0.0163
0.0070
57.06
3
C
0.0220
0.0002
99.09
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
None of the three products were found to remove more than 85% of the DCC-17 from various surfaces using manual wiping. The supplied product worked as well as the conventional cleaner and the on-the-market green cleaning product.
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