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Technical Paper

Environmentally Compliant Wipe-Solvent Development

1992-10-01
921957
A program was conducted to select alternatives to wipe-solvents which contain components being curtailed by environmental regulations. The program objective was to select a wipe-solvent which would not deplete the stratospheric ozone layer, would have low volatile organic compound (VOC) emissions, and would be safe and pleasant to use. Wipe-solvents are used by applying them to a cloth and wiping the surfaces to be cleaned followed by a dry wipe with clean, dry cloth. Surfaces cleaned in this manner in the aircraft industry include sub-assemblies prior to painting or application of sealants or adhesives. In order to reduce VOCs, a low vapor pressure formulation and a wipe-cloth management system were developed. The cloth management system reduces VOC emissions by an estimated 60 to 70%. The requirements for the cleaner were: be effective for a wide variety of soils; be non-corrosive; be non-flammable; have low toxicity; have a mild odor; and dry at room temperature leaving no residue.
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