Polythene shrink wrap keeps palletised goods secure in cold warehouses. It holds multipacks of bottled water together on supermarket shelves, and it seals freshly printed books before they leave the bindery. Although it is rarely noticed, this form of packaging carries out some of the most necess

Polythene shrink wrapping secures pallets in unheated warehouses. It keeps multipacks of bottled water securely in place on supermarket shelves, and it protects freshly printed books before they leave the bindery. While it is rarely noticed, this packaging film carries out some of the most necess