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Trial Number 0

Client Number 306

Project Number 1

Trial Purpose:

To evaluate supplied products against an industry standard product for all purpose cleaning following GS 37 guidelines.

Date Run:

08/11/2008

Experiment Procedure:

The three supplied cleaning products were used at full strength and a fourth industry standard product was diluted to vendor recommended concentration for all purpose cleaning (6.25%).

Preweighed ceramic, plastic G-10 and painted steel coupons were coated with Hucker's Soil Formulation (Jif Creamy Peanut Butter 9.2%, Salted Butter 9.2%, Arrowhead Mills stone ground wheat flour 9.2%, Egg Yolk 9.2%, Evaporated milk 13.8%, Distilled water 45.8%, Printer's ink with boiled linseed oil 0.9%, Shaws saline solution 2.7%) using a handheld swab and allowed to dry for 24 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 5-7 sprays of cleaning solutions. Each coupon was sprayed 7-10 times 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.

Trial Results:

Two of the three supplied products removed over 85% of the Hucker's soil using manual wiping. All three products performed comparably to the selected industry standard product. The table lists the substrate cleaned, the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner/Substrate

Cleaner Initial wt Final wt % Removed
Janitors Ceramic 0.0685 0.0032 95.33
  0.1876 0.0053 97.17
  0.1559 0.0045 97.11
Heavy Ceramic 0.2752 0.0143 94.80
  0.0527 0.0139 73.62
  0.1599 0.0346 78.36
CleanGreen Ceramic 0.0834 0.0131 84.29
  0.1878 0.0483 74.28
  0.2195 0.0224 89.79
Tough Job Ceramic 0.0697 0.0106 84.79
  0.1744 0.0296 83.03
  0.2226 0.0424 80.95
Janitors Painted Steel 0.1465 0.0262 82.12
  0.1212 0.0476 60.73
  0.0964 0.0134 86.10
Heavy Painted Steel 0.0966 0.0184 80.95
  0.1730 0.0365 78.90
  0.0995 0.0351 64.72
CleanGreen Painted Steel 0.1189 0.0207 82.59
  0.1296 0.0157 87.89
  0.0819 0.0120 85.35
Tough Job Painted steel 0.0774 0.0100 87.08
  0.0697 0.0180 74.18
  0.0979 0.0099 89.89
Janitors Plastic 0.0195 0.0018 90.77
  0.0350 0.0064 81.71
  0.0798 0.0201 74.81
Heavy Plastic 0.0774 0.0076 90.18
  0.0851 0.0057 93.30
  0.0858 0.0059 93.12
CleanGreen Plastic 0.1595 0.0077 95.17
  0.0709 0.0090 87.31
  0.0696 0.0109 84.34
Tough Job Plastic 0.0985 0.0025 97.46
  0.0521 0.0057 89.06
  0.0809 0.0065 91.97

Success Rating:

A follow up test, usually based on company input.

Conclusion:

Two products had overall average efficiencies greater than 85% and would be considered effective based on the SSL testing methodology. The third product removed on average more than 80% of the soil from the various coupons.

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