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Trial Number 3

Client Number 379

Project Number 1

Trial Purpose:

To evaluate the supplied products for general cleaning application on a second soil

Date Run:

10/17/2013

Experiment Procedure:

The supplied cleaning products were used at the recommended operating procedures. The supplied unit was run through two process cycles using 1 gram salt and 1.5 liter water. Water also was included.

Preweighed stainless steel coupons were coated with a hydration soil mixture containing pancake mix, barbeque sauce, chocolate syrup and water (35 g, 50 g, 45 g and 10 g). The mixture was applied to the surface using a hand held swab, followed by using a pull down bar skimmer to generate a uniform thickness across the entire surface. Once all tiles for the soil were coated, tiles were placed in a convection oven at 100 °F (37.8 °C) and aged 18-20 hours. Once cooled, dirty weights were recorded.

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 and soaked with a three second spray duration on each coupon. This was equivalent of the typical 2 squirts used for conventional cleanser bottles. The units were held at a 6-8” distance from the test coupons. In addition tap water was used and Seventh Generation All Purpose cleaner (RTU). 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: Toucan Cleaner (1 g salt/1.5 L - pH 8-9; Free Chlorine 100 ppm); Proforce Multipurpose 3.125%; Zep All Purpose 100%; Water

Trial Results:

The original technology system on stainless steel had successful removal of the hydration soil using manual wiping. 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
Toucan      
  0.5399 0.1320 75.55
  0.5436 0.1356 75.06
  0.7746 0.287 62.95
Proforce      
  0.4259 0.2097 50.76
  0.5053 0.4339 14.13
  0.7026 0.4731 32.66
Zep All Purpose      
  0.3766 0.0435 88.45
  0.3661 0.0704 80.77
  0.3398 0.0383 88.73
Water      
  1.2307 0.7661 37.75
  1.6378 1.1350 30.70
  1.7929 1.1950 33.35

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 hydration soil was not easily removed using three of the four cleaning methods. The Zep All Purpose product removed more than 85% of the soil and Toucan Eco removed about 70%. Water and ProForce removed less than 40%.

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