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Trial Number 2

Trial Purpose:

To evaluate supplied cleaner for oil-grease cleaning using manual wiping.

Date Run:

01/30/2007

Experiment Procedure:

The supplied cleaning product was used at the recommended concentration (2%).

Three preweighed aluminum and ceramic coupons were coated with an oil-grease mix collected from a dirty engine 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 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 20 cycles (~30 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 #120 Peroxide Multisurface Cleaner was effective in removing the oil-grease mix from the two surface types. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
Aluminum 0.0387 0.0069 82.17
  0.0239 0.0045 81.17
  0.0289 0.0044 84.78
Ceramic 0.0206 0.0008 96.12
  0.0135 0.0013 90.37
  0.0109 0.0017 84.40

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The #120 Peroxide cleaner removed over 85% of the oil-grease mix using manual wiping for cleaning.

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