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Trial Number 2

Trial Purpose:

To evaluate client supplied cleaning solution on all listed contaminants and on several substrates.

Date Run:

08/18/1999

Experiment Procedure:

The cleaning solution was used at full strength in a 600 mL beaker. The solution was used at room temperature. Coupons were cleaned for five minutes. Rinsing was performed for two minutes using tap water at 120 F and air dried for about two hours also at room temperature. After drying is complete, final weights are recorded and efficiencies are calculated.

SUBSTRATE MATERIAL: Aluminum (202-2024 T-3); Cold Rolled Steel (202-1020); Stainless Steel (202-10 B-85); Glass; Liquid
CONTAMINANTS: Table 1 lists the contaminants and the related CAS#s for this trial.
Table 1. Contaminants Cleaned
Contaminant CAS #
grease 64742-47-8
lubricant 64742-47-8, 9003-29-6
coating 64742-47-8, 64742-52-5
flux
buffing 64-56-1, 1314-13-2, 119-47-1, 8052-10-6
CONTAMINATING PROCESS USED: Three preweighed coupons were contaminated for each of the listed soils using a hand held swab.

Trial Results:

The Product evaluated was successful on all the contaminants except for one. It only removed 37% of the coating that was applied to the stainless steel coupons. All other contaminants were completely cleaned (100%). Table 2 lists the efficiencies for each substrate and contaminant studied.

Table 2. Cleaning Efficiencies

SafeScience Engine Degreaser
Substrate Substrate ID #
Aluminum 202-2024 T-3
Cold Rolled Steel 202-1020

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The Engine Degreaser was successful in removing grease, lubricant, flux and buffing compound from a variety of substrates.

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