Tuesday 28 February 2012

So, for the benefit of a layman just what are PET Preforms?

So, for the benefit of a layman just what are PET Preforms? Well, pretty much it is merely a technical term for containers of many descriptions and sizes all of which are made from PET. PET is the acronym of ‘polyethylene terephthalate’ and is one of the more common thermoplastic polymer resins of the family of plastics referred to as polyesters.
Drinking fizzy juice from a bottle, poring shampoo over your hair or dispensing bleach from a bottle into a toilet basin, chances are the container or ‘preform’ as it is known in the industry is made from PET; indeed, PET is used widely in the manufacture of beverage, food and other liquid containers because of its low manufacturing costs and its versatility and robust composition. Such is its versatility; the resin is often used as an element of engineering processes and is widely used as a bonding agent in glass fiber manufacture and forming.
Depending upon the thickness of the container it can be semi rigid to rigid in structure; however, containers and vessels made from PET are extremely light in weight compared to a glass or metal equivalent, even the preforms which are made to a thick walled construction. Far lighter than glass they are far more resilient to damage and at the same time the lightweight makes them far cheaper to transport, thereby reducing the cost of the product contained in them.
Drop a glass bottle form a meter in height and chances are it would shatter; do the same with a PET vessel from a height of several meters and the chances are it would survive intact with none of the contents damaged. For more information about PET preforms, log on to the website of Boxmore, the address of which is http://www.boxmore.co.za/site/preforms.

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