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    Methyl Ethyl Ketone

    A fast-drying but flammable organic solvent—chemical formula C4H8O—in the ketone family used in flexographic printing inks. It will readily dissolve nitrocellulose and vinyl lacquers, but will cause swelling of Buna N synthetic rubber and, in large amounts, natural rubber. Methyl ethyl ketone, abbreviated MEK, is also known as butanone.

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