All-purpose test to determine the efficacy of the GeoPro X product in removing GS 34 standard maintenance soil from a variety of substrates compared to other janitorial and industrial degreasing products.
Rerun of previous test using a higher concentration of GeoPro X to see if the higher concentration leads to a higher efficacy.
Date Run:
04/30/2024
Experiment Procedure:
Three coupons of each substrate were used per cleaning product, for a total of 24 coupons. Each coupon was weighed using a gravimetric balance and had their weights recorded. Each coupon was then soiled with about 0.5 grams of GS 34 maintenance soil by using a swab to administer the contaminant down the center of the coupons. The contaminated coupons were then left to dry for 24 hours. After the 24 hour drying period, each coupon was weighed again, and had their 'dirty weights' recorded. The coupons were then cleaned with their respective cleaning product using the Straight Line Washability Unit (or SLW) to ensure a standard pressure is applied to each coupon while being manually wiped. Two sprays of the correct cleaner was applied to a wypall that is attached to the cleaning sled of the SLW to wipe the soil away and two sprays were applied directly to each coupon (meaning each coupon was cleaned with about 2.5 ml of cleaning chemistry). The SLW unit was run for 20 cycles (20 back and forth motions) for each coupon. Once cleaned, the coupons were allowed to air dry before having their final weights recorded.
Trial Results:
Cleaner
Substrate
Initial wt of cont.
Final wt of cont.
%Cont Removed
AVG % Removed
Overall % Removed
GeoPro X 3%
Chrome
0.1559
0.0046
97.05
95.52
96.25
0.0767
0.0019
97.52
0.0250
0.0020
92.00
Stainless Steel
0.0656
0.0025
96.19
96.95
0.0735
0.0024
96.73
0.1935
0.0040
97.93
General Steel
0.2593
0.0048
98.15
96.26
0.1623
0.0039
97.60
0.0646
0.0045
93.03
Formula 409 RTU
Chrome
0.0526
0.0026
95.06
97.12
97.32
0.1080
0.0020
98.15
0.0546
0.0010
98.17
Stainless Steel
0.1732
0.0039
97.75
97.12
0.0705
0.0038
94.61
0.1710
0.0017
99.01
General Steel
0.1167
0.0018
98.46
97.70
0.1803
0.0020
98.89
0.1130
0.0048
95.75
Polychem Deox 007 1:7
Chrome
0.0426
0.0011
97.42
96.27
97.92
0.1805
0.0014
99.22
0.1317
0.0103
92.18
Stainless Steel
0.1492
0.0014
99.06
98.66
0.0856
0.0005
99.42
0.1046
0.0026
97.51
General Steel
0.0831
0.0010
98.80
98.81
0.1564
0.0017
98.91
0.2040
0.0026
98.73
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
All products tested performed comparatively and are highly effective in removing GS34 maintenance soil from Chrome, Stainless Steel, and General Steel.
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