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Trial Number 4

Trial Purpose:

To evaluate additional products for first supplied soil.

Date Run:

05/20/2008

Experiment Procedure:

Six products were selected based on previous lab testing for similar cleaning scenarios. Four products were used at 10% dilution and two were used at full strength. Preweighed coupons were coated with the supplied grinding fluid (Houghton - Grind (HOUC 420060) using a hand held swab and weighed a second time to determine the amount of soil added.

Each cleaner was 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:

One product, SC Aircraft & Metal Cleaner, performed very well in the 30 second cleaning, removing over 90% of the grinding fluid. Two other products others had mixed results, removing less than 60% but more then half of the fluid. There were two products that resulted in a drastic increase in weight during the final weighing. This was due to the cleaning product being left on the surface after cleaning. These two products will not be tested further. The table lists the initial amount of cutting fluid, the amount remaining after cleaning and the efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
Inproclean 3800 0.1177 0.0531 54.89
  0.0717 0.0302 57.88
  0.1050 0.0375 64.29
Sea Wash 8 0.2300 0.5925 -157.61
  0.1422 0.9669 -579.96
  0.1425 0.2945 -106.67
SC Aircraft 0.2288 0.0086 96.24
  0.2404 0.0095 96.05
  0.1876 0.0237 87.37
Aquavantage 1400  0.0951 0.0641 32.60
  0.2186 0.0884 59.56
  0.2274 0.0773 66.01
DS 108 0.1931 0.0821 57.48
  0.1269 0.0751 40.82
  0.1106 0.0739 33.18
D Greeze 500LO 0.2971 0.2483 16.43
  0.1625 0.2531 -55.75
  0.1220 0.2754 -125.74

Success Rating:

A follow up test, usually based on company input.

Conclusion:

Three products will be tested on the supplied cutting fluid under the same conditions.

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