To evaluate supplied products for all purpose cleaning following GS 37 requirements
Date Run:
02/12/2015
Experiment Procedure:
Three sets of nine ceramic, stainless steel, and polycarbonate coupons were weighed and then coated with the Hucker's Soil Formulation (Jif 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%, saline solution 2.7%) using a handheld swab and allowed to dry for 2 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 x60 reinforced paper towel was attached to the cleaning sled and soaked with 1 spray of cleaning solution. Each coupon was sprayed 1 time with the same cleaning solution. The cleaning unit was run for 20 cycles (~33 seconds). Final weights were recorded, efficiencies were calculated and recorded.
Trial Results:
Cleaner
Initial wt
Final wt
% Removed
NFMRP 2V 1:128 –Ceramic
0.5016
0.0489
90.25
0.5172
0.0121
97.66
0.5055
0.0907
82.06
NFMRP 2V 1:128 – Plastic
0.4934
0.2565
48.01
0.5096
0.0294
94.23
0.5300
0.0242
95.43
NFMRP 2V 1:128 - Painted Steel
0.6084
0.0542
91.09
0.5263
0.1335
74.63
0.5058
0.1132
77.62
NFMRP 2V 1:64 –Ceramic
0.4868
0.2281
53.14
0.5304
0.0960
81.90
0.4955
0.0730
85.27
NFMRP 2V 1:64 – Plastic
0.4302
0.0024
99.44
0.5311
0.0166
96.87
0.4997
0.0260
94.80
NFMRP 2V 1:64 - Painted Steel
0.5100
0.0538
89.45
0.5001
0.0385
92.30
0.5013
0.1941
61.28
7th Generation – Ceramic
0.4811
0.0813
83.10
0.5314
0.0676
87.28
0.5054
0.0563
88.86
7th Generation – Plastic
0.4530
0.0068
98.50
0.4874
0.0032
99.34
0.5124
0.0042
99.18
7th Generation - Painted Steel
0.4904
0.0447
90.88
0.5296
0.0504
90.48
0.4867
0.0329
93.24
409 –Ceramic
0.4572
0.0817
82.13
0.5775
0.0428
92.59
0.5718
0.0436
92.37
409 – Plastic
0.5184
0.0124
97.61
0.4525
0.0105
97.68
0.4993
0.0410
91.79
409 - Painted Steel
0.4873
0.0956
80.38
0.5106
0.0292
94.28
0.5134
0.0393
92.35
Success Rating:
A cleanliness study, addressing only various analytical techniques.
Conclusion:
The 1:64 dilution of NFMRP exhibited an effective level of cleaning for plastic, while the 1:128 dilution was effective on ceramic. The 409 and 7th Generation products exhibited effective cleaning for each surface.
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