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Trial Number 1

Trial Purpose:

To evaluate three supplied products for all purpose cleaning following GS 37 requirements

Date Run:

12/19/2014

Experiment Procedure:

The submitted cleaning products were diluted with cool DI water to vendor recommended concentration for all purpose cleaning.
Preweighed ceramic, plastic G-10 and painted steel coupons were coated with a mixture of three cooking oils/greases was made. A melt blend of 33% vegetable shortening, 33% lard, 33% vegetable oil and 1% carbon lampblack was made up fresh for the testing. Care was taken in the application of the soil onto the coupons so that light and heavy areas were avoided. The soiled tiles were allowed to dry for 24 hours at room temperature. Gravimetric readings were made for each of soiled tiles.

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 spray of cleaning solution. Each coupon was sprayed once 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.

ChemistriesEvaluated: Multipurpose 1:16; Multipurpose HC 1:25.6; H2O2 Tile Grout HC 1:25.6; Proforce MC Pine_ceramic

Trial Results:

All three products were effective at removing the soil from the three surfaces using manual wiping. The Product 1 resulted in the lowest efficiency, removing around 90% of the soil. 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 Substrate Ave
Multipurpose 1:16_ceramic        
  0.1900 0.0070 96.38  
  0.1800 0.0067 96.21  
  0.2300 0.0009 99.60 97.40
Multipurpose 1:16_plastic        
  0.5300 0.0295 89.28  
  0.3200 0.0200 95.45  
  0.4000 0.0259 95.83 93.52
Multipurpose 1:16_painted steel        
  0.4000 0.0118 97.04  
  0.2600 0.0107 95.92  
  0.4800 0.0133 97.21 96.73
Multipurpose HC 1:25.6_ceramic        
  0.1800 0.0528 70.58  
  0.3800 0.0399 89.56  
  0.2800 0.0093 96.71 85.62
Multipurpose HC 1:25.6_plastic        
  0.4500 0.0649 85.64  
  0.6000 0.0597 90.03  
  0.5600 0.0224 96.03 90.57
Multipurpose HC 1:25.6_painted steel        
  0.2800 0.0295 89.28  
  0.4400 0.0200 95.45  
  0.6200 0.0259 95.83 93.52
H2O2 Tile Grout 1:25.6_ceramic        
  0.2200 0.0047 97.82  
  0.6800 0.1897 72.17  
  0.8700 0.0397 95.46 88.48
H2O2 Tile Grout 1:25.6_plastic        
  0.7100 0.0575 91.88  
  0.6400 0.0454 92.95  
  0.4100 0.0600 85.20 90.01
H2O2 Tile Grout 1:25.6_painted steel        
  0.1900 0.0200 89.39  
  0.7500 0.0192 97.45  
  0.4100 0.0195 95.28 94.04
Proforce MC Pine_ceramic        
  0.4500 0.0400 91.38  
  0.5200 0.0000 99.44  
  0.2200 0.0200 92.28 94.37
Proforce MC Pine_plastic        
  0.4400 0.0400 91.28  
  0.5300 0.0400 93.32  
  0.2400 0.0200 92.29 92.29
Proforce MC Pine_painted steel        
  0.2900 0.0100 95.99  
  0.2000 0.0100 95.82  
  0.2300 0.0100 95.39 95.73

Success Rating:

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

Conclusion:

The three submitted products were found to be effective at removing the grease soil mix from various surfaces using manual wiping. They compared well to the comparative cleaning product used for testing.

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