Tetra Pack Laminate Structure

A laminated package forming material comprising a layer of foamed polystyrene having a fine cellular structure a density of 0 05 to 0 15 g cm3and a thickness of from 0 5 to 2 mm a first homogeneous layer of a mixture of polystyrene and butadiene adhered to that side of said foamed layer for constituting the inside of the package said first layer having a modulus of elasticity of from 14 000 to 20 000 a pick up weight of from 50 to 100 g m2and a rupture elongation limit of between 10.

Tetra pack laminate structure. The resulting tree trunks have their bark removed at a paper mill. Designed to preserve flavour maintain food safety and meet the demands of today s susta. The major challenge when developing tetra recart was to find a packaging material structure that would be able to withstand the conditions inside a retort and manage a shelf life up to two years. The main material used in the manufacture of laminated cartons wood is harvested from sustainable woodlands.

With tetra recart it is now possible to have a carton based package managing the tough retort process. Tetra pak packaging materials are made up of paperboard 73 plastic 22 and aluminium foil 5. A packaging laminate for a retortable packaging container or carton comprising a core layer 11 and outer liquid tight coatings 12 and 13 on both sides of the core layer. Tetra pak also has become an enormous vertically integrated company with its 21 000 employees engaged in the design construction and automation of food processing plants.

The main material in all our packages is paperboard. We use just enough to make the package stable wi thout adding unnecessary weight. Learn about the advanced engineering behind our packaging material. Paperboard is a renewable material made from wood.