Plastic bag – a product made of polymer plastic film intended for packaging, storage and ease of movement of various commodities and products. Plastic bags used by people every day, and many hardly notice their presence – so tight they came to life. Growth in popularity of packets associated with the trends of the modern world. The higher the level of everyday culture, the more people think about what to put things how not to get dirty and not namusorit, thereby increasing the consumption of packaging. Plastic bags take their place in the production and marketing areas. Polyethylene perfectly protects the product from moisture, and its appearance does not deteriorate even at very careless transportation. Frequent use of the package, one way or another, leads to a lot of thought about the criteria for correct selection, shape, design, durability and safety of packaging materials.
Chemical properties of polyethylene plastic bag in the first place is interesting for its versatility – it can be placed for storage of almost anything. Because of its chemical stability and high Gas and paronepronitsaemosti Polyethylene is widely used in the manufacture of packaging for different food and nonfood items. The use of plastic bags for food due to serious concerns among many manufacturers. Since the plastic film can be "mixed" with the product. But there has long been the standard methods of studying of low fractions of polyethylene packaging material upon which "Badness" of the package. Food film passes thorough hygienic certification. Thus, an employee of the package responsible for custom packages, for example, to test, you must ask the manufacturer, which are packages of this material and whether to allow their use with food.