Two ultra-high-barrier PET films from Toray Plastics aimed at E-commerce applications are said to extend the shelf-life of flexible packaging.

With the company responding to CPGs and converters that require materials that will deliver barrier performance, the films are claimed to lower total cost of ownership.

Lumirror MK61HB and PA1HB barrier-coated polyester films are robust alternatives to foil, PVdC-coated PET and OPP, and AlOx-coated PET. MK61HB metallised-barrier PET is said to offer good oxygen and moisture barrier protection, whilst PA1HB clear-barrier PET is claimed to deliver a good oxygen barrier. Both films are said to also offer superior aroma protection.

The foundation of these new films is Toray’s proprietary PET. The biaxial orientation and barrier coating of the films are applied inline in one production process.

No chlorine is used in Toray’s proprietary coating formula, with the Japanese firm saying that a chlorine-free coating is an important feature for the CPG seeking an alternative to PVdC. The metallising of MK61HB is also performed by Toray. If hermetic seals are required, it can integrate a sealant layer through extrusion coating. The barrier coating may be metallised and extrusion coated, depending on the customer’s barrier, sealant, and aesthetic requirements.

Product manager Kerri Boyens said: “The market and chemistries for film barrier technology are changing. The increasing popularity of ‘grab and go’ and artisanal foods, evolving distribution channels that create the need for longer shelf life, and the growth of online shopping for consumables are major market shifts facing CPGs. Improved oxygen, moisture, and aroma- barrier films, such as MK61HB and PA1HB, that are with a minimal number of production steps are smart, versatile solutions.”

More information from Toray Industries, Nihonbashi Mitsui Tower, 1-1 Nihonbashi-Muromachi 2-chome, Chuo-ku, Tokyo 103-8666, Japan. Tel: 81 33 245 5111. Email: [email protected] Web: