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Toxics Use Reduction Institute · Surface Solutions Laboratory
Toxics Use Reduction Institute

Surface Solutions Laboratory

Trial Report

Trial Number 4

(Client Number 299, Project Number 1)

Trial Purpose: To evaluate additional products for first supplied soil.

Date Run: 05/20/08

Experiment Procedure:
Six products were selected based on previous lab testing for similar cleaning scenarios. Four products were used at 10% dilution and two were used at full strength. Preweighed coupons were coated with the supplied grinding fluid (Houghton - Grind (HOUC 420060) using a hand held swab and weighed a second time to determine the amount of soil added.

Each cleaner was put in a bowl and three coupons were dunked into the solution at a constant rate for 30 seconds of cleaning. The coupons were then put on a tray and when done and allowed to air dry. There was no rinse. The process was done to as closely replicate the process used on site as possible. Once dry, final weights were recorded and efficiency calculated for each coupon cleaned.

Trial Results
One product, SC Aircraft & Metal Cleaner, performed very well in the 30 second cleaning, removing over 90% of the grinding fluid. Two other products
others had mixed results, removing less than 60% but more then half of the fluid. There were two products that resulted in a drastic increase in
weight during the final weighing. This was due to the cleaning product being left on the surface after cleaning. These two products will not be tested
further. The table lists the initial amount of cutting fluid, the amount remaining after cleaning and the efficiency for each coupon cleaned.

Cleaner          Initial wt  Final wt   % Removed
Inproclean 3800  0.1177      0.0531      54.89
                 0.0717      0.0302      57.88
                 0.1050      0.0375      64.29
Sea Wash 8       0.2300      0.5925    -157.61
                 0.1422      0.9669    -579.96
                 0.1425      0.2945    -106.67
SC Aircraft      0.2288      0.0086      96.24
                 0.2404      0.0095      96.05
                 0.1876      0.0237      87.37
Aquavantage 1400 0.0951      0.0641      32.60
                 0.2186      0.0884      59.56
                 0.2274      0.0773      66.01
DS 108           0.1931      0.0821      57.48
                 0.1269      0.0751      40.82
                 0.1106      0.0739      33.18
D Greeze 500LO   0.2971      0.2483      16.43
                 0.1625      0.2531     -55.75
                 0.1220      0.2754    -125.74

Success Rating
A follow up test, usually based on company input.

Three products will be tested on the supplied cutting fluid under the same conditions.