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Trial Number 0

Trial Purpose:

To identify a cleaner to remove C-Eblis cutting oil from steel parts

Date Run:

05/31/2001

Experiment Procedure:

Eight cleaners were selected based on vendor information and from the lab's database of effective testing trials.
Each solution was diluted to 5% using DI water and heated to 130 F on a hot plate.
Twenty-four preweighed steel coupons were coated with C-Eblis Cutting Oil (64742-53-6, 64742-52-5) using a hand held swab. Coupons were weighed again.
Three coupons were immersed in each solution and cleaned for 5 minutes using stir-bar agitation. Following cleaning, the coupons were rinsed in tap water at 120 F for 30 seconds and dried using a Master Appliance Heat Gun,model HG-301A, at 500 F for one minute.
Once coupons were dry, a final weight was recorded and efficiency was calculated.

Trial Results:

Two of the products removed just over 80% of the oil from the coupons using stir bar agitation. The other cleaners removed between 70 and 75%. The following table lists the individual effectiveness for each coupon.

Cleaning Efficiencies

Cleaner Coupon 1 Coupon 2 Coupon 3 Average Std Dev
815 GD 79.08 69.5 68.78 72.45 5.75
Shopmaster 55.04 73.22 67.79 65.35 9.33
E 2001 68.02 82.19 69.44 73.22 7.8
Green Stuff 77.27 75.29 74.46 75.67 1.44
ND 17 68.89 69.24 83.97 74.03 8.61
Inproclean 80.08 71.98 90.71 80.92 9.39
Beyond 2001 69.92 78.37 76.74 75.01 4.48
Daraclean 283 77.47 83.44 81.47 80.79 3.04

After removing the agitation from the cleaning solutions, the oil migrated out of the solution to the top where it could be easily removed.

Success Rating:

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

Conclusion:

Daraclean 283 and Inproclean 3800 were moderately successful in removing the C-Eblis cutting oil from the steel coupons. With the addition of a more aggressive agitation method (ultrasonics) the cleaners should be more effective in cleaning the oil.
Green Stuff and Beyond 2001 will also be evaluated in the next test.

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