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Trial Number 1

Trial Purpose:

To evaluate aqueous cleaners for wax removal using ultrasonic cleaning.

Date Run:

09/17/2009

Experiment Procedure:

The same ten products were used again at the same temperature and concentrations. Products were degassed for 5 minutes prior to cleaning.
The coupons that were used in the immersion cleaning were reused for the ultrasonic testing. (Therefore, coupons were soaked for 5 minutes and then cleaned with ultrasonics for another 5 minutes). Cleaning was followed with a tap water rinse at 120 F for 15 seconds and dried using compressed air at room temperature for 30 seconds. Final weights were measured and efficiencies calculated.

Trial Results:

Several of the aqueous products were effective at removing the wax from the glass coupons using ultrasonic energy. Two products (one being the supplied product) removed more than 98% of the wax in less than the five minutes. The table lists the amount of wax left after the initial 5 minute soak, the amount remaining after the 5 minutes of ultrasonic cleaning and the efficiencies for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
SC Aircraft & Metal cleaner  0.3360 0.1789 46.76
  0.4463 0.2650 40.62
  0.3186 0.1527 52.07
Texolite 1734 XL 0.3165 0.2574 18.67
  0.3843 0.3672 4.45
  0.4648 0.3759 19.13
Amber clean L12 0.8293 0.3419 58.77
  0.9227 0.3323 63.99
  0.5594 0.1076 80.77
Amber clean Q3 0.7608 0.3820 49.79
  0.6961 0.3712 46.67
  1.0899 0.6595 39.49
Micro 90 0.5877 0.0637 89.16
  0.7591 0.1486 80.42
  0.9224 0.3046 66.98
Inproclean 3800 0.5201 0.0061 98.83
  0.4639 -0.0004 100.09
  0.4326 0.0100 97.69
SC 1000 1.2507 0.3213 74.31
  1.0166 0.2812 72.34
  1.1821 0.3900 67.01
Polychem 2000 P 1.2878 0.0997 92.26
  0.9644 0.2063 78.61
  0.9168 0.1095 88.06
Valtron SP2200 0.6067 0.0079 98.70
  0.7216 0.0001 99.99
  1.1765 0.0115 99.02
Contrad 70 0.1546 -0.0006 100.39
  0.0614 -0.0004 100.65
  0.0020 0.0000 100.00

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The top performing products will be tested at higher temperatures in addition to ultrasonic cleaning. Concentration may be another variable to modify to improve efficiency.

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