Flex Films Launches Metallized Polyester

ELIZABETHTOWN, KY | Flex Films, the global film manufacturing arm of Uflex, is offering FLEXMETPROTECT F-HMB high-barrier metallized polyester film. The film is either untreated or corona treated on the other surface, while metallization is carried out on the specially treated composite surface imparting metal adhesion or bond strength of >1200 gram-force/in.

Dr. Steven J. Sargeant, GM, technology, at Flex Films (USA), says, “The adhesion of metal on BOPET base film is the sum of chemical and mechanical adhesion. Our proprietary surface treatment on the base film allows increased levels of chelation or reaction with the metal being deposited, thereby resulting in a much better adhesion profile. The specialized surface treatment comprises materials with unique and enhanced properties thereby leading to much enhanced mechanical bonding.”

Adds Vijay Yadav, business head, Flex Films (USA), “The film offers class-leading high adhesion to metal under most aggressive environmental conditions; demonstrates improved scuff, scratch, and craze resistance, thereby improving yields to 4 percent and offering unparalleled robustness in processing and performance for converters. It complies with EU and FDA regulations for food-grade applications and happens to be cost effective. [The film] finds extensive use in liquid packaging, stand-up pouch applications, barrier layers in challenging applications like ‘bag in box,’ chemical packaging, pharma packaging, and hot fill applications to 80 degree centigrade, among others. This film is available in a thickness range of 8 to 50 microns.”

Anantshree Chaturvedi, vice chairman and CEO, Flex Films International, says, “Flex Films is focusing on specialty substrates that add real value to the business of convertors and that of their customers by enhancing the quality and profile of the resultant packaging. Our expansion strategy hereafter will be niche product driven and not commodity driven. FLEXMETPROTECT F-HMB is a technologically superior film with encouraging demand. If we talk about the US itself, the market for this specialized film is expected to be about 25 percent of the current metallized film market.”

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Enercon Corona Technology

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