To evaluate solvents in formulation for all purpose cleaning
Date Run:
09/08/2010
Experiment Procedure:
The previous two supplied solvent were used in supplied three formulations at full strength.
A set of preweighed ceramic, porcelain, plastic G-10 and painted steel coupons were coated with Hucker's Soil Formulation (Jiffy Creamy 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 handheld swab and allowed to dry for 24 hours at room temperature. A second set of coupons were coated with DCC 17 grease soil mix (33% vegetable oil, 33% shortening, 33% lard, 15 carbon black). 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 5-7 sprays of cleaning solutions. Each coupon was sprayed 7-10 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.
Trial Results:
The APC formulation one worked well on the Hucker's soil, removing more than 85%. The third formulation removed just under 85%. The second formulation was the weakest removing less than 75%. No product left a residue behind on the surface. Similar results were obtained for the DCC 17 grease mix, except the third formulation worked slightly better than the first.
Interesting observation was that when visually inspecting the coupons, the second formulation looked cleaner than the other two formulations for both soils. The table below lists the amount of soil added, remaining and efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Hucker's Soil
APC 1 Porcelain
0.0683
0.0111
83.75
0.0516
0.0111
78.49
0.0708
0.0069
90.25
APC 1 Ceramic
0.1094
0.0153
86.01
0.1115
0.0196
82.42
0.0844
0.0149
82.35
APC 1 Plastic
0.0750
0.0104
86.13
0.1692
0.0083
95.09
0.0846
0.0116
86.29
APC 1 Painted steel
0.0989
0.0072
92.72
0.1018
0.0092
90.96
0.0926
0.0091
90.17
APC 2 Porcelain
0.0308
0.0098
68.18
0.0426
0.0086
79.81
0.0461
0.0107
76.79
APC 2 Ceramic
0.0534
0.0224
58.05
0.0447
0.0270
39.60
0.0580
0.0250
56.90
APC 2 Plastic
0.0507
0.0045
91.12
0.0546
0.0094
82.69
0.0312
0.0066
78.85
APC 2 Painted steel
0.0416
0.0102
75.48
0.0513
0.0082
84.02
0.0682
0.0096
85.92
APC 3 Porcelain
0.0643
0.0129
79.94
0.0558
0.0096
82.80
0.0692
0.0131
81.07
APC 3 Ceramic
0.0974
0.0097
90.04
0.3128
0.0481
84.62
0.1088
0.0343
68.47
APC 3 Plastic
0.0625
0.0077
87.68
0.0767
0.0061
92.05
0.0550
0.0094
82.91
APC 3 Painted steel
0.0709
0.0089
87.45
0.0739
0.0083
88.77
0.0835
0.0076
90.90
DCC 17 Grease
APC 1 Porcelain
0.0738
0.0037
94.99
0.1137
0.0145
87.25
0.1434
0.0001
99.93
APC 1 Ceramic
0.3160
0.0039
98.77
0.1902
0.0040
97.90
0.2857
0.0049
98.28
APC 1 Plastic
0.0899
0.0110
87.76
0.1650
0.0007
99.58
0.1092
0.0023
97.89
APC 1 Painted steel
0.1616
0.0206
87.25
1.0791
0.1825
83.09
0.3619
0.0087
97.60
APC 2 Porcelain
0.1216
0.0042
96.55
0.0971
0.0038
96.09
0.0924
0.0007
99.24
APC 2 Ceramic
0.2784
0.0066
97.63
0.2918
0.0075
97.43
0.2606
0.0048
98.16
APC 2 Plastic
0.0767
0.0079
89.70
0.0925
0.0070
92.43
0.0919
0.0043
95.32
APC 2 Painted steel
0.1058
0.0071
93.29
0.1479
0.0156
89.45
0.1173
0.0300
74.42
APC 3 Porcelain
0.1459
0.0053
96.37
0.1570
0.0033
97.90
0.1154
0.0094
91.85
APC 3 Ceramic
0.2199
0.0066
97.00
0.1764
0.0072
95.92
0.0966
-0.0413
142.75
APC 3 Plastic
0.0957
0.0078
91.85
0.1170
0.0021
98.21
0.1087
0.0075
93.10
APC 3 Painted steel
0.1409
0.0128
90.92
0.0976
0.0067
93.14
0.1607
0.0077
95.21
Success Rating:
A follow up test, usually based on company input.
Conclusion:
Formulations 1 and 3 appear to be effective all-purpose cleaners based on the combined results for both soils tested.
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