Scumming

{
  "id": "MLC-T-IND-005103",
  "term": "Scumming",
  "field": "Industrial and trades",
  "definition": "A printing defect in lithography where non-image areas of the printing plate begin to accept ink, resulting in unwanted smudges or a dirty appearance on the printed sheet. This occurs when the non-image areas lose their water-receptive properties or when the ink-water balance is incorrect. It indicates a failure of the plate's oleophobic properties.",
  "subject": "Industrial printing",
  "translations": {
    "de": "Scumming",
    "es": "emborronamiento",
    "fr": "encrassement"
  },
  "url": "https://mlchart.com/terminology/industrial/scumming/"
}