Uflex releases ultra-thin AlOx packaging film

India-headquartered flexible packaging manufacturer Uflex reports it has produced the world’s thinnest aluminium oxide (AlOx) coated polyethylene terephthalate (PET) film.

The new film is called Flexaloxprotect F-PGX. It is just 9.5μ thick, and still gives resistance to transmission of water vapour and oxygen at less than 1g/m²/day and 1cc/m²/day, respectively. The breakthrough has been achieved at Uflex’s subsidiary Flex Americas facility in Mexico.

A comprehensive survey for the new Smithers report The Future of Specialty Films to 2021 identifies how AlOx products will contribute to pushing this world market, valued at $27.3 billion in 2016, to $36.7 billion in 2021 – a 5.7% year-on-year growth. Uflex is positioning its new transparent film for a wide range of food packaging formats – from two-ply structures to multi-layered laminates; as well as medical and pharmaceutical products. It notes in a press release of 13 October that it is compliant with legislation in both the EU and US for use in these applications. Using high-barrier AlOx or silicon oxide (SiOx) coated materials allows converters to minimise the number of layers and weight of material used in pouches and similar pack designs. Uflex notes that switching to Flexaloxprotect F-PGX will allow a 24% weight saving compared to the next best existing 12.5μ-thick AlOx film. Pramod Sirsamkar, president of new film product development at Uflex, says: ‘[This] is a significantly down-gauged transparent barrier film which by itself is its biggest [unique selling point]. Besides excellent barrier properties, the film exhibits superior ink anchorage, suitability for retort applications, imparts strength to the ensuing laminate and has optimum coefficient of friction, thereby offering great machinability to convertors.’

This article comes from Food Contact World, which provides exclusive news and analysis on developments in digital print trends, markets, and technologies.