A wetting agent added to a liquid printing ink to reduce the surface tension of the ink as well as the printing defect called pinholing in gravure printing and chemical pinholing in flexography. (See Pinholing.)
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A wetting agent added to a liquid printing ink to reduce the surface tension of the ink as well as the printing defect called pinholing in gravure printing and chemical pinholing in flexography. (See Pinholing.)