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Trial #1

Trial #1

To evaluate successful products on second supplied buffing compound using immersion cleaning.

2005

13

4

20

20

Coupon

08/03/2005

5.00

Immersion/Soak

Jason Marshall

Brass

Buffing/Polishing Compounds

None

Air dry

Gravimetric

Seven products from the previous trial were selected based on performance. Each product was used at full strength at room temperature. A 250 ml beaker was filled with each product and placed on a stir plate.

Twenty-one preweighed 260 Brass coupons were coated with the Z-66 buffing compound. The compound was applied by heating the coupons and the buffing compound with a Master Appliance Heat Gun. The hot buffing compound was rubbed across the surface. Coupons were allowed to cool to room temperature and weighed a second time to determine the amount of contaminant applied. Three coupons were cleaned in each product for 5 minutes using stir-bar agitation. After cleaning, the parts were allowed to air dry for 10 minutes at room temperature. Once dry, final weights were recorded and efficiencies were calculated for each product.

Six of the seven removed over 60% of the Z-66 buffing compound using immersion cleaning at room temperature. The AK 225 removed just over 50% of the contaminant. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
Ak 225 0.2244 0.1661 25.98
  0.4625 0.1443 68.80
  0.2384 0.0831 65.14
Ensolv 0.3730 0.0685 81.64
  0.2359 0.0736 68.80
  0.1525 0.0688 54.89
CCA 0.2148 0.0514 76.07
  0.1754 0.0910 48.12
  0.2565 0.0587 77.12
MCA 0.1774 0.0581 67.25
  0.2165 0.0272 87.44
  0.2913 0.2027 30.42
Lenium ES 0.0752 0.0125 83.38
  0.2515 0.1160 53.88
  0.3746 0.1196 68.07
Solvon IP 0.3391 0.0423 87.53
  0.1280 0.0320 75.00
  0.4003 0.1925 51.91
Solvon PB 0.2542 0.0694 72.70
  0.8655 0.5184 40.10
  0.4278 0.0904 78.87

The six products that were effective will be evaluated on the third supplied buffing compound under the same operating 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
Document Evaluation #5 Evaluation 3
Document Evaluation #6 Evaluation 3
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