To evaluate supplied products for all purpose cleaning following GS 37 requirements
Date Run:
10/06/2014
Experiment Procedure:
The two cleaning products were used at the provided ready to use concentration at room temperature. Preweighed ceramic, plastic and painted metal coupons were coated with Hucker's Soil Formulation (creamy peanut butter, salted butter, stone ground wheat flour, egg yolk, evaporated milk, distilled water, printer's ink with boiled linseed oil, saline solution) using a hand held 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 reinforced paper towel was attached to the cleaning sled and soaked with 1-2 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 blotted once with a dry paper towel. Final weights were recorded, efficiencies were calculated and recorded.
ChemistriesEvaluated: Pure Care Products All Purpose; Seventh Generation All Purpose;
Trial Results:
The Pure Care product had the higher level of removal of the Hucker’s soil from the three surfaces using manual wiping. It removed about 70% of the Hucker’s soil. The Seventh Generation product removed about half of the soil under the laboratory conditions. The table lists the amount of soil added, the amount remaining after cleaning and the calculated efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Pure Care ceramic
0.5130
0.2679
47.78
0.5166
0.1902
63.18
0.5144
0.2536
50.70
Pure Care plastic
0.5978
0.1717
71.28
0.6157
0.1561
74.65
0.6078
0.1444
76.24
Pure Care painted metal
0.6130
0.0961
84.32
0.6670
0.1018
84.74
0.5874
0.1849
68.52
Seventh Gen ceramic
0.5554
0.2422
56.39
0.5093
0.2697
47.04
0.5251
0.2595
50.58
Seventh Gen plastic
0.5743
0.2479
56.83
0.5400
0.2689
50.20
0.5537
0.2330
57.92
Seventh Gen painted metal
0.5416
0.2560
52.73
0.5239
0.0960
81.68
0.5493
0.3995
27.27
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
Pure Care Products was found to be more effective at removing the Hucker’s soil from various surfaces using manual wiping as compared with the Seventh Generation product.
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