Supermarket carrier bags

Make a collection of food packaging a milk bottle, a carbonated drink bottle, a supermarket carrier bag, a near-transparent lidded container for food, a margarine container. 

The blown film process creates a continuous tube of film, usually less than 0.25 mm thick, which is flattened and rolled up. It can be cut into lengths and welded to produce products such as supermarket carrier bags or protective bubbles (Fig. 1.11). For a carrier bag, determine where the film has been welded and where it has been cut, or folded. Support the handles on a spring balance, then use sand (or tins) as the loading medium and determine the tensile strength of the polyethylene in the handle region. 

Life cycle assessment of supermarket carrier bags Environment agency 2011 UK... 

Edwards, C., Fry, J.M., February 2011. Life Cycle Assessment of Supermarket Carrier Bags. Environment Agency, UK. 

UK supermarket chains Co-op, Kwik Save and Somerfield use degradable carrier bags. In Italy, the large supermarket chain IPER is using Cargill Dow s NatureWorks-brand resin in film to wrap fresh food and pasta at its 21 locations. 

Major UK supermarket Tesco will use PE carrier bags containing a degradable additive supplied by Canadian firm EPI following a six-month trial. 

Retail Markets Shopping Bags www.wrap.org.uk/retail supply chain/voliintary agreements/ carrier bags/, www.wrap.org.uk/downloads/Review of Carrier Bag Use by Supermarkets 201, www.hzgoldenhly.com/en/index.php act=product code=view id=49. 

Council recycling of plastic bottles has become widespread" and the practice of providing free plastic carrier bags by supermarkets has become an issue for the environmentally conscious shopper. 

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