A member of the polyester family of polymers, polyester film. The kind and crystal structure of the polymer or crystal, as well as the kinds of additives, fillers, pigments, etc. utilized, determine whether a plastic is transparent or translucent.
Occasionally used as PET (polyethylene terephthalate).
The global high transmittance polyester film market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
Super Barrier Polyester Film, FLEXPET F-PGB-12, has been introduced by UFlex.
Due to a carefully modified surface treatment (on one side), this 12 micron Bi-axially Oriented Polyethylene Terephthalate (BOPET) film provides an extremely high barrier to oxygen. Depending on the needs of the convertor, the other side of the film may be corona-treated or left untreated.
This film’s oxygen transmission rate (O.T.R.) at 23 degrees Celsius and 0% RH is approximately 6 cm3/m2/day. This film’s ability to increase barrier characteristics without the need for coating or co-extrusion with polyvinylidene chloride (PVC) or ethylene vinyl alcohol (EVOH) is a significant advantage. The O.T.R. of a 12 micron untreated BOPET normal film can reach 135 cm3/m2/day, making it a substantially weaker O2 barrier.
Flame-retardant polyester films are available from DuPont Teijin Films. DuPont Teijin Films’ new flame retardant films are designed to help design engineers in the label, construction, transportation, and electronics sectors achieve outstanding performance at competitive prices. The Teonex QF Polyethylene Naphthalate (PEN) and Teijin Tetoron UF Polyethylene Terephthalate (PET) films, both white and halogen-free, combine chemical resistance, strength, and insulation qualities with the VTM-0 flame rating obtained from UL’s UL 94 flame classification tests.
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