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Trial Number 1

Trial Purpose:

To test the efficacy of different concentrations of a cleaner at various temperatures in removing DCC17 soil from a variety of substrates.

Date Run:

10/02/2024

Experiment Procedure:

Eighteen coupons were used total, with groups of three coupons of each substrate assigned to each unique concentration/temperature combination of the FB-1000 cleaner.  The initial weights of each coupon were taken.  The coupons were contaminated with DCC-17 Formulation using a handheld swab and dried overnight. The contaminated coupons were weighed and had their dirty weights recorded before placing three coupons of the same substrate into a Gardner Straight Line Washability (SLW) unit. A Kimberly-Clark Wypal reinforced paper towel was attached to the cleaning sled. The Wypal and each coupon were treated with two sprays (about 2.5 ml of cleaner per coupon) and cleaned for 20 cycles (~30 seconds of cleaning). Clean coupons dried for 24 hours before final weights were taken to assess the amount of soil removed. 

Trial Results:

Cleaner Coupon Type  Initial wt of cont. Final wt of cont. %Cont Removed % AVG  
FB-1000 1% 68F Stainless Steel 0.4899 0.1130 76.93 74.37 67.82
0.5110 0.1427 72.07
0.4824 0.1249 74.11
Polycarbonate 0.5476 0.3969 27.52 47.64
0.6379 0.2650 58.46
0.5244 0.2258 56.94
Ceramic 0.4849 0.0733 84.88 81.44
0.4959 0.1269 74.41
0.4967 0.0744 85.02
FB-1000 1% 120F Stainless Steel 0.4012 0.0532 86.74 87.24 86.59
0.5057 0.0474 90.63
0.4311 0.0674 84.37
Polycarbonate 0.4327 0.0506 88.31 79.35
0.4571 0.1177 74.25
0.5930 0.1454 75.48
Ceramic 0.4462 0.0292 93.46 93.19
0.4223 0.0214 94.93
0.5358 0.0472 91.19
FB-1000 2% 68F Stainless Steel 0.6864 0.0494 92.80 92.07 86.69
0.5525 0.0423 92.34
0.4247 0.0379 91.08
Polycarbonate 0.5611 0.1241 77.88 75.28
0.5217 0.1180 77.38
0.4998 0.1470 70.59
Ceramic 0.4738 0.0631 86.68 92.70
0.5284 0.0112 97.88
0.3044 0.0197 93.53
FB-1000 2% 120F Stainless Steel 0.5538 0.0492 91.12 90.70 87.65
0.6082 0.0374 93.85
0.3089 0.0397 87.15
Polycarbonate 0.5054 0.0828 83.62 82.58
0.4503 0.0853 81.06
0.5262 0.0891 83.07
Ceramic 0.3210 0.0752 76.57 89.66
0.6636 0.0400 93.97
0.5708 0.0090 98.42

Success Rating:

Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.

Conclusion:

While the addition of heat seems to improve the performance of FB-1000 at a 1% concentration, heat does not make much of a difference in the performance of FB-1000 at a 2% concentration.

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