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A patented processing technology developed by the Italian company Tecno Coating Engineering - "three bubbling blown films", is being tested by several European meat packaging companies. It is a 5- or 7- layer polyolefin film made of EVOH or Nylon as a barrier layer . It is first blown down through a water cooling ring, the hose expands to a width of 120 mm , and it is re-expanded in the second tower. Heating, annealing, air cooling, and coiling; after the third expansion, the film width reaches 600 mm . This new film is suitable for use as a barrier bag for fresh meat, cheese, and processed meat products. It will compete with polyvinylidene chloride film in the meat packaging material market.
March 05, 2019