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Trial Number 1

Trial Purpose:

To evaluate cleaners using ultrasonic energy.

Date Run:

11/08/2004

Experiment Procedure:

The same six products from the previous trial were used at the same dilutions and time (5 min). Each beaker was immersed into a Crest 40 kHz ultrasonic tank filled with water heated to 115 F. The products were degassed for 5 minutes.
Eighteen preweighed 6061 aluminum coupons were again contaminated with Fuch's Lubricants Renocut 6515 NC using a swab. A second weighing was performed to determine the amount of soil added. Three coupons were cleaned in each product for 5 minutes with ultrasonics. Coupons were again rinsed in water at 120 F for 15 seconds and dried with air blow off at room temperature for 30 seconds. Once dry, final weights were recorded and efficiencies were calculated.

Trial Results:

All six products removed over 90% of the lubricant in five minutes using ultrasonic energy. All of the products had higher efficiencies than the client's current cleaner. Four of the five removed over 98% of the lubricant. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
Amberclean Q3 0.2012 0.0219 89.12
  0.2200 0.0084 96.18
  0.2415 0.0048 98.01
Formula 815 GD 0.1633 0.0027 98.35
  0.1896 0.0028 98.52
  0.1472 0.0026 98.23
Inproclean 3800 0.2126 0.0082 96.14
  0.2428 0.0020 99.18
  0.2752 0.0024 99.13
Surface Cleanse 930 0.2209 0.0071 96.79
  0.2447 0.0016 99.35
  0.1675 0.0014 99.16
Valtron SP 2275 0.2892 0.0031 98.93
  0.2549 0.0029 98.86
  0.2185 0.0035 98.40
Ionox HC2 0.3098 -0.0003 100.10
  0.2256 0.0097 95.70
  0.2096 0.0097 95.37

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The same six products will be tested on the second supplied contaminant using ultrasonic cleaning at 115 F.

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