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Trial Number 6

Trial Purpose:

To evaluate additional products on third supplied metal working fluid

Date Run:

05/20/2008

Experiment Procedure:

Preweighed coupons were coated with the supplied rust preventative (WA Wood FPS Rustnot) coating using a hand held swab and weighed a second time to determine the amount of soil added.

Three cleaners from the previous trial and three newly selected products were put in a bowl and three coupons were dunked into the solution at a constant rate for 30 seconds of cleaning. Products were diluted to 20% except for one (Bio T 300B). 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:

All six products were fairly successful, removing more than 68% of the rust preventative from the aluminum coupons in 30 seconds of agitation. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner Initial wt  Final wt % Removed
SC Aircraft Cleaner 0.1140 0.0553 51.49
  0.1233 0.0355 71.21
  0.1482 0.0348 76.52
Inproclean 3800 0.1783 0.0574 67.81
  0.1790 0.0430 75.98
  0.2280 0.0200 91.23
Bio T 300 B 0.2033 0.0663 67.39
  0.1668 0.0688 58.75
  0.2221 0.0477 78.52
Aquavantage 1400GD 0.1936 0.0420 78.31
  0.1725 0.0295 82.90
  0.1919 0.0293 84.73
Shopmaster LPH 0.1231 0.0272 77.90
  0.2042 0.0658 67.78
  0.2029 0.0339 83.29
Shopmaster HP 0.1607 0.0332 79.34
  0.1588 0.0385 75.76
  0.1414 0.0316 77.65

Success Rating:

A follow up test, usually based on company input.

Conclusion:

With the success of all six products at the higher concentrations, follow testing will be conducted on the other two soils.

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