Archived: P2Rx no longer updates this information, but it may be useful as a reference or resource.
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Printing-Flexography: Operations
This section describes the working process of printing and specifically that
of flexographic printing. Input/Output process diagrams are provided. Tables
provide typical material inputs and waste outputs based on the production process
and individual departments commonly found in a flexographic printing operation.
PREPRESS - Imaging Process (Overview):
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Inputs |
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Waste Outputs |
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Film |
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Exposed film, waste and out-of-date film |
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Paper |
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Scrap paper |
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Markers and Sprays |
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Air vapors and odors |
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Film Developer |
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Spent film developer |
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Film Developing Fixer |
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Spent film developing fixer and the silver from the film |
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Wash Water |
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Used rinse water containing film developer & fixer |
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Shop towels and other wipers |
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Rags containing solvents, waste paper from disposable towels |
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Cleaning Solutions |
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Waste solvents, air vapors, and odors |
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Chemical Storage |
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Empty chemical containers, full containers with the potential to
spill |
PREPRESS - Platemaking Process (Overview):
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Inputs |
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Waste Outputs
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Rubber, Neoprene, Nitrile, Buna-n Plates |
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Damaged or unusable plates, waste trim materials, paper and plastic
waste, waste silver halides from silver master plates |
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Water |
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Contaminated process wash water |
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Plate Processing Solvent or Water |
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Waste plate processing (washout) solvent or water |
PRODUCTION - Printing Process (Overview):
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Inputs |
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Waste Outputs
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Ink |
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Waste ink, hazardous waste, non-hazardous special waste (some states), air emissions |
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Water |
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Waste water used in cleaning, thinning inks (water based
only) |
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Paper |
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Off-quality specification printed material, trim scrap and make-ready waste paper |
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Plates |
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Outdated or exhausted impression plates |
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Solvents |
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Waste and dirty solvents, hazardous waste, non-hazardous special waste (some states), air emissions |
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Shop Towels |
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Rags containing inks, solvent, oils and grease, waste paper from disposable towels. Hazardous solid waste, non-hazardous special waste (some states) |
FINISHING - Post Press Operations (Overview):
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Inputs |
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Waste Outputs
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Paper |
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Reject prints and trim scrap |
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Adhesives/Glue |
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Overspill and emissions |
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Shipping Boxes |
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Used boxes, shipping materials |
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Shop Towels |
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Rags containing inks, solvent, oils and grease, waste paper from disposable
towels, hazardous solid waste, non-hazardous special waste (some states) |
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Water |
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Waste wash water containing adhesives and solvents, hazardous liquid waste, non-hazardous special waste (some states), non-hazardous process waste |
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Solvents |
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Waste and dirty solvents, hazardous waste, non-hazardous special waste (some states), air emissions |
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