Transcription of Coating Technology for Flexible Packaging - TAPPI
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Coating Technology for Flexible Packaging - TAPPI
Coating Technology for Flexible Packaging Lee A. Ostness Product Manager - Coating & Drying Systems Flexible Packaging is widely used in today s world. It is used to package a multitude of products such as: processed meat, processed cheese, fresh red meat, bulk liquids, cereals, cake mix, coffee, medical device films, snacks and many others. There are many different substrates and coatings used to create these packages to produce the various levels of barrier protection. see chart SUBSTRATES COATINGS PET 1 10 mil Primers gsm PE 1 8 mil Adhesives gsm Al Foil 20 60 PVDC gsm BOPP/OPP 2 mil Wash-coats gsm CPP 1 4 mil PVOH gsm Nylon 2 mil Lacquers gsm MetPET 1 10 mil Varnishes gsm Cellophane 1 mil Acrylic Polyurethanes gsm A typical package may be constructed of several layers of substrates and coatings.
GSM 50% 100% 150% Gravure Speed GSM 95% 100% 105% Gravure Speed leaving a precise amount of coating on the gravure roll. The roll then transports the coating to the nip where it …
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