Shopping bags, as the name implies, are used for shopping. At present, the main shopping bags available in the market are plastic shopping bags, non-woven shopping bags, paper shopping bags, cotton and hemp shopping bags, etc.
Nowadays, the society pursues a low-carbon and low-pollution lifestyle. With the increase of population, the demand for shopping bags is increasing. In view of the large amount of pollution, environmental-friendly shopping bags have been introduced.
Plastic shopping bags are made of polyolefin as the main raw material and other materials properly added.The newly issued national standard for plastic shopping bags divides plastic shopping bags into the following three categories:
Ordinary plastic shopping bags - using polyolefins and fillers as raw materials, such plastic shopping bags do not have degradability, abandoned in the field will not degrade. This kind of plastic shopping bag has excellent recyclability and can be recycled many times. The properties of recycled materials are slightly reduced, but they can be used in shopping bags or garbage bags with low production performance and low color requirements.
Starch-based plastic shopping bags - This kind of shopping bags uses modified starch as the main raw material, and adds a small amount of other degradable materials to improve its performance. The plastic shopping bag can be naturally degraded after being discarded in the field.
Degradable plastic shopping bags - This kind of shopping bags are made from completely degradable plastic and have complete degradability. Products discarded in the field can be completely degraded into small molecules of microorganisms, without any environmental pollution, such plastic shopping bags are promoted abroad.