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Trial Number 2

Trial Purpose:

To evaluate selected products on second supplied cutting fluid using simulated cleaning process.

Date Run:

05/01/2008

Experiment Procedure:

Preweighed coupons were coated with the supplied cutting fluid (WA wood, 57 F Cutting oil) using a handheld swab and weighed a second time to determine the amount of soil added.

The same six cleaners were put in a bowl and three coupons were dunked into the solution at a constant rate for 30 seconds of cleaning. The coupons were then put on a tray and when done and allowed to air dry. There was no rinse. The process was done to as closely replicate the process used on site as possible. Once dry, final weights were recorded, and efficiency calculated for each coupon cleaned.

Trial Results:

Only one product was moderately successful, removing just over 80% of the cutting fluid. Two products removed over 50% and two removed just under 50%. The table below lists the amount of soil added, the amount remaining and the efficiency for the coupons cleaned.

Cleaner Initial wt  Final wt  % Removed
Solsafe 245 0.3962 0.0724 81.730
  0.3874 0.0541 86.040
  0.4505 0.0771 82.890
Metalnox M6310 0.3645 0.2270 37.720
  0.5897 0.3820 35.220
  0.6573 0.3098 52.870
Ionox HC 2 0.4813 0.3536 26.530
  0.4012 0.3868 3.590
  0.5882 0.0813 86.180
Soy Clear 1500 0.6034 0.2406 60.130
  0.6098 0.2130 65.070
  0.8293 0.2413 70.900
Biodiesel 0.4358 0.1980 54.570
  0.4878 0.1940 60.230
  0.4603 0.1615 64.910
SC Supersolve 0.5118 0.2864 44.04
  0.5555 0.2199 60.41
  0.4138 0.2423 41.45

Success Rating:

A follow up test, usually based on company input.

Conclusion:

Longer cleaning times should improve the efficiencies for many of the selected products. All six will be evaluated on the third supplied metal working fluid.

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