Wednesday 11 December 2013

Changes to the Concept

As it has recently come to light that Tetra-Pak does not support liquid based paints, I have decided to change the concept packaging to  have a 'bag-in-a-box' design that uses a internal liner bag.

'Bag-in-box packaging offers both economic and practical benefits throughout the supply chain perfect dispensing, major efficiency gains, lower storage costs, increased hygiene and longer shelf life. Bag-in-box lowers costs and improves efficiency, enabling manufacturers and retailers to gain competitive advantage.' - Rapak

Waste Reduction:
  • Five times less waste than rigid containers.
  • Empty packages collapse fully, saving space upon disposal.
  • Wide range of bulk bag sizes (up to 1400 litres) means less packaging per litre.
  • One-way system means no chemical decontamination or washing.
  • Bag-in-box packaging extends product shelf life, reducing food waste
Energy consumption and raw material conservation
  • Lightweight and space-efficient - saves 20% on fuel and energy costs in transport.
  • One-way system eliminates fuel expenditure and energy costs on return transit.
  • Minimal packaging reduces raw material usage by up to 80%.
  • Highly efficient filling machines decrease energy costs and increase productivity.
 The bag in box does support paint and coatings! - http://www.rapak.com/en/markets/coatings.asp

The bag or film is made from a multi-layered metallised polyester.

 - Barrier films Metallised laminates (coated with a thin layer of metal, usually aluminium)

The coating  reduces the permeability of the film to light, water and oxygen. The properties of the film remain, such as higher toughness, the ability to be heat sealed, and a lower density at a lower cost than an aluminium foil. This gives metallised films some advantages over aluminium foil

- EVOH Foil laminates (This option is not very cost effective)

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