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Commercially available solvent alternatives
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TB-43-0135 Environmentally Safe Substances for use with Communications-Electronics Equipment Manual
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APPENDIX A. ALTERNATE SOLVENT SUBSTITUTES


TB 43-0135
b. Additional substitute solvents which have been identified by the Material Substitution Committee at Los Alamos
National Laboratory are listed in Appendix A.
3-8.
General recommendations for aqueous cleaning procedures
a. Preference should be given to the use of aqueous cleaning procedures when equipment, space and materials are
available and when the items to be cleaned are not susceptible to damage from moisture. Follow detergent manufacturers
solution mixture recommendations. The weakest detergent solution should be used which will achieve the desired results.
b. Aqueous cleaning is generally appropriate for cleaning painted surfaces, bare (non-ferrous) metal surfaces and
some electronics equipment which is sealed from water intrusion or damage.
c.  The use of immersion trays is acceptable for items which are not susceptible to damage from immersion in water.
3-9.
Typical Aqueous Cleaning Procedures
These procedures are to be used only if they duplicate existing technical manual procedures.
a. Wash area with a mild solution of detergent and water. A cloth or soft bristle brush may be used to dislodge dirt.
Rinse area at least twice or rinse with steady flow of water If possible rinse area with warm or hot water. On electronics
equipment use De-Ionized or distilled water for final rinse. Insure that electronic assemblies are completely dry before
applying power.
b. Wipe area to be cleaned with a damp cloth containing a mild detergent solution. To rinse the area, wipe area with
a clean damp cloth containing only water Repeat rinse wipe process at least twice.
3-10.
Recommended Aqueous Cleaning Materials
a. Aqueous cleaning materials used in general shop procedures are appropriate for most aqueous cleaning
procedures. Alkaline Degreasers such as those listed below are appropriate for either cold or hot parts cleaning.
Degreaser Name: Daraclean 282
Notes: Alkaline all purpose cleaning.
NSNs:
Degreaser Name: Hurri-Safe Special Formula Degreaser
Notes: Cold parts washing, metal cleaning and degreasing, wipe-on/wipe-off surface preparation.
NSNs:
Degreaser Name: Hurri-Safe Hot Immersion Degreaser
Notes: Hot immersion tank cleaning, steam cleaning, high pressure washers.
NSNs:
b. Phosphate free, Non-Alkaline (or mild alkaline) detergents should be used for cleaning electronics equipment.
This includes some mild aqueous degreasers, some mild dish washing soaps and the cleaners listed below
Detergent Name: Detergent 8
Manufacturer: Alconox Inc., 9 E. 40th Street, No. 200, New York, NY 10016, (212) 5324040
Detergent Name: Armakleen
Manufacturer: Church & Dwight Co., Inc., 469 North Harrison Street, Princeton, NJ 08543, (800) 824-0866
3-6


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