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Trial Number 0

Trial Purpose:

To evaluate supplied products for glass cleaning

Date Run:

04/29/2008

Experiment Procedure:

The supplied cleaning product was used at the recommended concentrations (12oz/gallon ~ 9%). Two products were included for comparison and were used at the ready to use concentration.

Preweighed chrome and glass coupons were coated with SSL Soil 2 (Glass soap scum: Water 51.5%, Hair gel 25.6%, Toothpaste 10.4%, Shaving cream 5.3%, Hair spray 3.7% and Spray deodorant 3.5%) using a hand held 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 Wypall X60 reinforced wipe 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 solution was allowed to penetrate for 30 seconds followed by cleaning in the SLW unit for 5 cycles (~10 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded and efficiencies recorded.

Trial Results:

The supplied product worked better than the other two products selected for comparison, removing over 95% of the soap scum from both the glass and chrome surfaces. The table lists the amount of soil added and the amount remaining after cleaning and the product efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
Scout Glass 0.0307 0.0017 94.46
  0.0489 0.0019 96.11
  0.0431 0.0010 97.68
Scout Chrome 0.0520 0.0022 95.69
  0.0457 0.0023 94.97
  0.0640 0.0025 96.09
Kernel Clean Glass 0.0377 0.0026 93.10
  0.0490 0.0021 95.71
  0.0390 0.0046 88.21
Kernel Clean Chrome 0.0628 0.0070 88.85
  0.0485 0.0064 86.80
  0.0701 0.0085 87.87
Green Works Glass 0.0783 0.0059 92.46
  0.1183 0.0034 97.13
  0.1345 0.0028 97.92
Green Works Chrome 0.1021 0.0184 81.98
  0.0910 0.0147 83.85
  0.1186 0.0237 80.02

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The three products had  overall average efficiencies over 85% and would be considered effective based on the SSL testing methodology.

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