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Trial Number 8

Client Number 223

Project Number 1

Trial Purpose:

To evaluate client requested products on the second supplied soil.

Date Run:

07/08/2004

Experiment Procedure:

The three cleaners were selected by the client and were diluted to 5% using DI water in 600 ml beakers. All three products were heated to 120 F on a hot plate.

Nine preweighed titanium coupons were coated with client supplied tapping fluid, Master Chemical Corp Trim C270 (102-71-6, 63231-48-1, 141-43-5), using a hand held swab and then weighed a second time to determine the amount of soil added. Three coupons were cleaned in each solution for 5 minutes using stir-bar agitation. Coupons were rinsed in tap water for 15 seconds at 120 F, followed by air blow off at room temperature. Once dry, coupons were weighed a final time and efficiencies for each cleaner were calculated.

Trial Results:

All three products removed over 99% of the second oil. The table below lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
M Aero 0.1628 0.0001 99.94
  0.1813 0.0002 99.89
  0.2526 0.0005 99.80
M Aero NS 0.1688 0.0001 99.94
  0.2086 0.0003 99.86
  0.1696 0.0005 99.71
M 400 0.1642 0.0015 99.09
  0.2559 0.0015 99.41
  0.1983 0.0015 99.24

Success Rating:

Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.

Conclusion:

The three products will be tested on the third supplied soil under the same conditions.

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