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Trial Number 2

Trial Purpose:

To evaluate successful products on supplied oil using manual wiping.

Date Run:

12/22/2008

Experiment Procedure:

Ten products were selected from the previous two trials based on success on the supplied ink. All of the products were used at full strength at room temperature.
Peweighed steel coupons were coated with the US Oil Company US Penetrant (8052-41-3, 64742-52-5, 111-76-2) contaminant using a handheld swab. The contaminant was allowed to dry for at least a day and then were weighed a second time to determine the amount of oil applied.

Three coupons were placed into a Gardner Straight Line washability unit (designed for manual cleaning testing). The cleaning solutions were applied to the three coupons and allowed to sit for one minute. Simulated manual cleaning was run for 40 cycles or about one minute. Following cleaning, the coupons were dried 30 seconds using air blow off with dry compressed air at room temperature. Final weights were measured, and efficiencies were calculated for each coupon cleaned.

Trial Results:

Seven of the ten removed over 85% of the oil using manually wiping. Three of the seven resulted in greater than 90% removal. The table lists the initial weight of the oil, the final weight and the cleaning efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
Ink Zapper 0.0727 0.0214 70.56
  0.1056 0.0210 80.11
  0.1333 0.0107 91.97
Graffiti Remover SAC 0.0813 0.0355 56.33
  0.0620 0.0100 83.87
  0.0904 0.0054 94.03
Smart Solve 605 0.0762 0.0045 94.09
  0.0814 0.0102 87.47
  0.0520 0.0088 83.08
EP 921 0.0505 0.0044 91.29
  0.0526 0.0126 76.05
  0.1141 0.0159 86.06
Shopmaster RC 0.0546 0.0040 92.67
  0.0688 0.0034 95.06
  0.0764 0.0025 96.73
Solsafe 245 0.1341 0.0016 98.81
  0.0976 0.0013 98.67
  0.0526 0.0004 99.24
Soyester 0.1395 0.0145 89.61
  0.1380 0.0223 83.84
  0.1469 0.0135 90.81
Maix Solve 0.1124 0.0085 92.44
  0.0530 0.0052 90.19
  0.0938 0.0053 94.35
Green Force Ultra 0.1329 0.0069 94.81
  0.1097 0.0083 92.43
  0.0779 0.0209 73.17
Safety Strip HT 0.1323 0.0074 94.41
  0.0990 0.0175 82.32
  0.1337 0.0124 90.73

Success Rating:

A follow up test, usually based on company input.

Conclusion:

Even though a couple of products were not as successful as the others, all ten products will be evaluated on the supplied grease following the same cleaning process. This decision was based on the success of the products on the supplied ink.

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