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Metallized boPET film, 32 layers of ~14 μm thickness each. BoPET (biaxially oriented polyethylene terephthalate) is a polyester film made from stretched polyethylene terephthalate (PET) and is used for its high tensile strength, [1] chemical stability, [1] dimensional stability, [2] transparency [1] reflectivity, and electrical insulation. [1]
Metallised films (or metallized films) are polymer films coated with a thin layer of metal, usually aluminium. They offer the glossy metallic appearance of an aluminium foil at a reduced weight and cost. Metallised films are widely used for decorative purposes and food packaging, and also for specialty applications including insulation and ...
Polyplex Corporation Ltd. is an Indian multinational company which produces biaxially oriented polyester (BoPET) film for packaging, electrical and various industrial applications. [3] [self-published source?] The company is a major exporter of PET film to the United States, Europe, Southeast Asia, South America and Australia.
E. I. DuPont de Nemours in Delaware, United States, first produced Dacron (PET fiber) in 1950 and used the trademark Mylar (boPET film) in June 1951 and received registration of it in 1952. [27] [28] It is still the best-known name used for polyester film. The current owner of the trademark is DuPont Teijin Films. [29]
These metalized films are applied to one or more surfaces of the glass to resist the transfer of radiant heat, yet the films are so thin that they allow visible light to pass through. Since the thin coatings are fragile and can be damaged when exposed to air and moisture, manufacturers typically use multiple pane windows.
This process involves heating the metal until it vaporizes then depositing it at a high pressure onto the polyester film . [4] This process produces thinner, more flexible, more durable, and more comfortable fibers. [9] Metal fiber may also be shaved from wire (steel wool), shaven from foil, or bundle drawn to form larger diameter wire. [3]