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Trial Number 1

Client Number 192

Project Number 1

Trial Purpose:

Te evaluate successful cleaners from previous trial using ultrasonic energy

Date Run:

10/09/2002

Experiment Procedure:

Three products from the previous trial were diluted to 5% and one was diluted to 3% (Citranox) in 600 ml beakers using DI water. Products were heated to 130 F in a Crest 40 kHz ultrasonic tank and degassed for 5 minutes.
Twelve preweighed coupons were coated with Milacron Marketing Company CIMTECH® 310 metal working fluid concentrate (102-71-6, 78-96-6, 26896-20-8) using a hand held swab. Coupons were then reweighed using a Denver Instruments A250 balance to determine the amount of contaminant added. Three coupons were immersed into each solution and cleaned for 5 minutes using ultrasonics. Coupons were rinsed for 15 seconds in a tap water bath at 120 F and finally dried using a Master Appliance Hot Air gun at 500 F for 30 seconds. After the coupons were dried, final weights were recorded and efficiencies calculated for each cleaning solution.

Trial Results:

Three of the products removed over 99.5% of the machining fluid after the 5 minute ultrasonic cleaning. The fourth cleaner removed over 98%. The table below lists the amount of contaminant applied, the amount remaining and the efficiency for each coupon cleaned.

Table 1. Cleaning Efficiencies

Cleaner Initial wt Final wt % Removed
Citrinox 0.4035 0.0000 100.00
  0.4448 0.0002 99.96
  0.3102 -0.0001 100.03
EXP 1400 0.1648 0.0030 98.18
  0.3373 0.0066 98.04
  0.3734 0.0034 99.09
SC A&M 0.2300 0.0001 99.96
  0.3866 -0.0002 100.05
  0.4697 -0.0002 100.04
Daraclean 0.1286 0.0013 98.99
  0.4267 -0.0001 100.02
  0.2787 0.0005 99.82

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The three successful products will be used in the next phase of testing on supplied parts.

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