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Trial Number 2

Trial Purpose:

To evaluate top performing products on second supplied contaminant using ultrasonic cleaning

Date Run:

06/19/2008

Experiment Procedure:

The top seven products were selected from the previous lab trial. Each product was diluted to 5% using DI water in 600 ml glass beakers. Solutions were heated to 130 F on immersed in a heat bath in a Branson 40 kHz ultrasonic tank. Products were degassed for five minutes.
Twenty-one preweighed steel coupons were coated with the Tru-Edge Cutting Fluid using a swab. Coupons were weighed a second time to determine the amount of soil added. Three coupons were immersed into each product and cleaned for 5 minutes using ultrasonic agitation. Following cleaning, coupons were rinsed for 15 seconds in tap water at 120 F and dried using air blow off for 30 seconds at room temperature. Final weights were recorded and efficiencies were calculated.

Trial Results:

Six of the seven products removed more than 90% of the cutting fluid using ultrasonic cleaning for five minutes. Five of these removed over 99%. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
Surface Cleanse 930 0.2168 0.0692 68.08
  0.3967 0.0848 78.62
  0.4485 0.0886 80.25
M Aero 0.4262 0.0070 98.36
  0.6946 0.0153 97.80
  0.4470 -0.0078 101.74
Polyspray Jet 790 xs 0.3999 -0.0018 100.45
  0.3277 0.0006 99.82
  0.2444 0.0005 99.80
Metalnox M6310 0.3277 0.0021 99.36
  0.3719 0.0028 99.25
  0.2842 -0.0008 100.28
Daraclean 282 GF 0.3626 -0.0032 100.88
  0.3422 -0.0005 100.15
  0.3434 -0.0037 101.08
Micro 90 0.1917 0.0020 98.96
  0.3703 -0.0001 100.03
  0.4123 0.0005 99.88
Luminox  0.2849 0.0164 94.24
  0.3426 0.0165 95.18
  0.3976 0.0253 93.64

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The six effective products will be evaluated on the third supplied contaminant.

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