Alternatives to 1,1,1 Trichloroethane Prior to Adhesive Bonding and Non-Destructive Inspection (NDI)
Final rept. Jun 94-June 95
ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD
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The utilization of chlorinated solvents, specifically Class I Ozone Depleting Compounds ODCs, has been continually scrutinized by the U.S. Environmental Protection Agency EPA and the Occupational Safety and Health Administration OSHA. This is a direct result of the United States entering into an agreement with several other nations throughout the world to limit the production of these materials Montreal Protocol 1987. In fact, the EPA has placed very heavy restrictions on the production of 1,1,1 trichloroethane, one of the most commonly known and utilized chlorinated solvents, as of January 1996. This announcement prompted the Aviation and Troop Command ATCOM to fund a program designed to identify, test and evaluate commercially available cleaners to replace 1,1,1 trichloroethane during the processing of aviation components. ATCOM requested the Army Research Laboratory - Materials Directorate to develop and execute this test program. Two critical cleaning applications were identified based upon a thorough review of all cleaning processes utilized during part manufacture, and repair at Army depots cleaning prior to non-destructive inspection NDI and cleaning prior to adhesive bonding. This report discusses the rational behind identifying alternative cleaners for these applications, the test and evaluation plan, and the results of the test program.
- Organic Chemistry
- Air Pollution and Control