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Trial Number 169

Trial Purpose:

Laboratory evaluations of alternative cleaning products

Date Run:

02/05/2002

Experiment Procedure:

Degasification: 5 min. in ultrasonic tank at 120 F.
Cleaning: 2 min. in ultrasonic tank at 120 F.
Rinsing : 1/2 min. manual in water at 120 F.
Drying : 1 min. with heat gun at 500 F.
Contaminant:
1. Grease: Keystone KSL 111, ELF Lubricants-Diester
2. Resin - Ashland Chemical Aroset PS 8078, (Lot# 071901). (141-78-6 Ethyl Acetate, 142-82-5 Heptane, 67-63-0 Isoproanol)
3. Buffing compound - The Lea Manufacturing Company Learok 2-B-111 - Abrasive, Fatty acids, Glycerides and petrolium wax/oil mix-silica dust (14808-60-7)
4. Paint - Nybco Designer Colors Satin finish 4660 Country Blue, Contains Toluene, Xylene,Acetone

Trial Results:

After running ultrasonic on resin contaminated coupons they were wiped off with the tissue so that all the loose resin would be removed.

Success Rating:

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

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