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Trial Number 7

Trial Purpose:

To evaluate client requested products on the first soil

Date Run:

07/08/2004

Experiment Procedure:

Three cleaners were requested from the client. Six aqueous based cleaners 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, Castrol Industries Moly Dee Tapping fluid (63449-39-8, 64741-96-4), 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:

Two of the three products removed over 85%. The third product removed just under the 85%. 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 0.2398 0.0276 88.49
  0.2288 0.0381 83.35
  0.3865 0.0562 85.46
M Aero NS 0.2533 0.0440 82.63
  0.2507 0.0011 99.56
  0.4063 0.0015 99.63
M 400 0.2437 0.0316 87.03
  0.2773 0.0456 83.56
  0.2295 0.0376 83.62

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 client requested products will be tested on the second supplied soil under the same operating conditions.

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