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Trial Number 4

Trial Purpose:

Evaluating previously tested effective products on third supplied contaminant

Date Run:

09/18/2001

Experiment Procedure:

Three successful cleaners and the two client supplied cleaners were selected from the previous trial. Each product was diluted to 5% with DI water in a 600 ml beaker. Fifteen preweighed steel coupons were coated with Power Stamp II using a hand held swab. The rust preventative was allowed to sit on the coupons for 10 minutes prior to being reweighed. Following the second weighing, three coupons were immersed into each solution and allowed to soak for 3 minutes at 130 F. At the end of the 3 minutes, each coupon was rinsed in a tap water bath at 120 F for 30 seconds and dried with a heat gun at 500 F for 1 minute. After the coupons cooled to room temperature, a final weight was recorded and cleaning efficiencies were calculated.
Lubricant; ITW Fluid Products Power Stamp II

Trial Results:

The lubricant was has been the most difficult to remove to date for the lab selected products, removing between 90 and 98% from the steel coupons. Multikleen 1568 was the most successful followed by Dasco Clean 3250 and Inproclean 3800. The following table lists the calculated efficiencies and the ranking for this trial.

Table 1. Cleaning Efficiencies

Cleaner Coupon 1 Coupon 2 Coupon 3 Average Std Dev Rank
Inproclean 95.31 94.57 94.75 94.88 0.39 3
Multikleen 96.94 98.09 98.14 97.72 0.68 1
Dasco 97.44 97.23 94.93 96.53 1.39 2
Beyond 85.85 91.87 92.48 90.07 3.67 5
Certa Clean 94.11 91.08 92.24 92.47 1.53 4

Success Rating:

Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.

Conclusion:

Two of the client supplied cleaners, Oakite Products Inproclean 3800 and Heatbath Corp Multikleen 1568 have been very effective on all of the supplied contaminants.

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