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Trial Number 160

Trial Purpose:

Laboratory evaluations of alternative cleaning products

Date Run:

01/28/2002

Experiment Procedure:

Degasing :Degasing the solution by keeping solutions in ultrasonic crest for 5 min at 120 F.
Cleaning : Ultrasonic for 2 min. at 120 F.
Rinsing : 1/2 min. manual with water at 120 F.
Drying: 1 min with heatgun @ 500F
Contaminant: Aroset PS 8078

Trial Results:

Significant increase in weight of each of the three coupons, due to absorption or deposition possibly

Success Rating:

Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.

Conclusion:

No cleaner was found effective and 5 of the 7 sets of coupons showed and increase in weight after cleaning. This could be due to absorption of cleaner solution or water into or onto the adhesive or a chemical reaction between the cleaner solution and adhesive

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