What materials are plastic bags made of?

It is a bag made of polypropylene, polyester, nylon, etc. as the main raw material.

Plastic bags are bags made of plastic (commonly used plastics are polypropylene, polyester, nylon, etc.) as the main raw material, which are essential for people's daily life and are often used to contain other items. Because of its cheap, very light weight, large capacity, easy to store the advantages of being widely used, but also because of the plastic bag degradation cycle is extremely long, difficult to deal with the shortcomings of some countries to ban the production and use.

Since June 1, 2008, China has implemented the Plastic Restriction Order: "In all supermarkets, shopping malls, marketplaces and other places of commodity retailing to implement the system of paid use of plastic shopping bags, shall not be provided free of charge for the plastic shopping bags, and in the nationwide ban on the production, sale and use of plastic shopping bags with a thickness of less than 0.025 millimeters ".

Expanded

A, the harm of plastic bags:

1, if the plastic bag over the head of the person, it may not be able to breathe, resulting in asphyxiation.

2, waste plastic products mixed in the soil continues to accumulate, will affect the crops to absorb nutrients and water, resulting in crop yield reduction.

3, the plastic bag itself will release harmful gases, especially cooked food, packaged in plastic bags, often deteriorate, deterioration of food on children's health and development of the impact is particularly prominent.

Second, the application of plastic bags:

Plastic bags are lightweight, easy to shape, the application of a wide range of levels, can be soft, can be hard, can be wet, can be dry, can be sealed, can be breathable, can be used once can also be used for a long time.

Since the beginning of plastic, have been studied the use of plastic to replace materials such as metal, wood or glass, in order to reduce the weight in favor of easy to use, convenient storage, transportation or reduce fuel consumption. Plastic bags can also be used to protect goods, keep food fresh, carry liquids, and encapsulate air. In the supermarket goods in most of the all-plastic packaging.

Baidu Encyclopedia - Plastic Bags