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Trial Number 2

Trial Purpose:

To evaluate successful cleaners on the third supplied contaminant

Date Run:

07/12/2004

Experiment Procedure:

Five cleaners were selected from the previous trial. All products were diluted to 5% using DI water in 600 ml beakers. All nine products were heated to 120 F on a hot plate.
Fifteen preweighed aluminum coupons were coated with client supplied cutting fluid, WA Wood Co Maxoline 75 grinding oil (64741-97-5, 63449-39-8), 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 five products removed over 95% of the cutting fluid. 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
Beyond 2004 0.8304 0.0396 95.23
  1.1406 0.0083 99.27
  1.1068 0.0423 96.18
Aeromaster 1.0232 0.0465 95.46
  1.1004 0.0539 95.10
  1.0980 0.0500 95.45
1400 GD 1.0706 0.0210 98.04
  1.1760 0.0290 97.53
  0.9937 0.0396 96.01
M Aero 1.1484 0.0070 99.39
  1.4176 0.0153 98.92
  1.2883 0.0404 96.86
815 QR 1.5055 0.0233 98.45
  1.2380 0.0051 99.59
  0.9553 0.0139 98.54

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 next step will be to test supplied parts using the successful products in immersion and ultrasonic cleaning.

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