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  • Back printing

    Also referred to as reverse-side printing; mirror image printing on the inside so that the design is visible from the outside; this places the film "over" the printing (viewed from the outside).

  • Batch

    Series of films that are manufactured and packaged with identical raw materials at the same time period.

  • Batches

    Granulates provided with additives; also called master batches.

  • Biaxial orientation

    See "Stretching"

  • Biodegradable film

    Film from renewable resources, e.g. PLA (polylactic acid), made from cornstarch. Cellulose or sugar which is usually "compostable for industry".

  • Blends

    Plastic combinations created via the extrusion of 2 or more polymers.

  • Blocking

    Adhering films or the surfaces of films to each other. Causes: Incorrect or missing adhesive, incorrect storage climate conditions, winding pressure too high, moisture too high in alcohol-based inks in the print, pretreatment of PE and PP films too high, lubricant migration.

  • Blown film co-extrusion

    Flexible compounds such as PA/PE, PE/PA/PE, PA/EVOH/PE or partial compounds such as PA/EVOH/PA or PE/EVOH/PE are produced using this technology. Common technology for manufacturing PE films.

  • BOPP

    Biaxially oriented polypropylene, also referred to as "stretched film"; see Stretching.

  • Bottom film

    Lower part of a packaging system consisting of a bottom and top film, bottom film can consist of a soft or rigid film.

  • BRC IoP

    British Retail Consortium / Institute of Packaging. A British hygiene system with hazard analyses and defined requirements for employees and production for guaranteeing defined delivery standards. Hazard Analysis and Critical Control Points is a preventive system that is to ensure safety of food for consumers. See also: HACCP, IFS, ISO 22000 and DIN EN 15593. All standards are simultaneously valid, coincide in areas and have regional priorities.