Brand owners and consumers are demanding easy-to-recycle packaging that ensures food safety and extends the shelf life of products. Oriented polyethylene film technologies offer new building blocks that provide the high film quality that is expected with the recyclability that is demanded.
Orientation of films allows for property improvements otherwise not attainable in blown or cast films such as stiffness, toughness, and heat resistance. These enhancements allow recyclable all-PE films to replace traditional mixed material packaging which are not recyclable. Oriented films are ideal for use in food packaging, heavy duty shipping sacks, e-commerce and other demanding applications.
Oriented films are designed for recycling and suitable for a range of formats including:
Orientation can be achieved using a variety of technologies. Machine direction orientation (MDO) stretches a cast or blown film in one direction while stretching a cast sheet in both machine and transverse directions results in a biaxially oriented (BO) film. NOVA Chemicals has developed BOPE-HD and MDO-HDPE technologies that may be used to replace biaxially oriented polypropylene (BOPP) and PET (BOPET) in multi-material laminates or metallized structures. MDO-LLDPE technology provides toughness like BOPA.
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