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Trial #1

Trial #1

To evaluate successful products on the second supplied contaminant.

2004

12

2

9

9

Coupon

07/11/2004

5.00

Immersion/Soak

Jason Marshall

Aluminum

Coatings

Tap water rinse

Air Blowoff

Gravimetric

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 coating, Castrol Industries Rustilo DW 924 (64742-88-7, 64742-95-6, 64741-89-5, 64741-97-5, 64742-53-6, 95-63-6), 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.

All five products removed over 99% of the rust preventative coating. 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 0.2034 -0.0013 100.64
  0.1339 0.0001 99.93
  0.1758 0.0002 99.89
Aeromaster 0.1281 0.0007 99.45
  0.1751 0.0004 99.77
  0.1752 0.0004 99.77
1400 GD 0.3453 0.0001 99.97
  0.2659 -0.0003 100.11
  0.2920 -0.0004 100.14
M Aero 0.2214 -0.0003 100.14
  0.2546 -0.0007 100.27
  0.1804 -0.0002 100.11
815 QR 0.2150 -0.0002 100.09
  0.1106 -0.0002 100.18
  0.2082 -0.0003 100.14

The same five products will be used on the third supplied contaminant under the same conditions.

No relation

Name Class Section
Document Evaluation #0 Evaluation 3
Document Evaluation #1 Evaluation 3
Document Evaluation #2 Evaluation 3
Document Evaluation #3 Evaluation 3
Document Evaluation #4 Evaluation 3
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