Monday, March 16, 2009

Plastic bags

Plastic bags are supple packaging product made up of thin, compressed, flexible and blown poly film. Plastic bags are highly used for packaging, transporting and disposing purpose. All kind of food products, powdered products, liquid products, chemical products etc are stored, reserved and transported in plastic bags. Commonly used Plastic bags are plastic shopping bags, recycled plastic bags, printed bags, industrial plastic bags etc. Plastic bags which are usually carved out of high density polyethylene(HDPE), are widely used in grocery stores, supermarket, local vendors etc. The thickness of HDPE plastic bags is very low as compared to other films.

Its density ranges from 0.941 to 0.965 g/cm3.Other commonly used material for making plastic bags is Low density polyethylene. Plastic bags formed out it are more transparent as compared to HDPE plastic bags. These kind of plastic bags are mainly used in carrying while shopping for vegetable, fruits, grains, grocery items etc. Its density ranges from 0.910 to 0.925 g/cm3.Oriented Polypropylene () is another commonly used material for making Plastic bags. Plastic bags formed out of Oriented Polypropylene(OPP) are very much transparent, and widely used for packing confectionery items like sweets, chocolates, candies etc.

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