The difference between fully biodegradable plastic bags and ordinary plastic bags

Now that the speed limit order for plastic bags has come down, the usual small shops or roadside shops are generally ordinary plastic bags, pp, pe, etc. Generally speaking, they are extremely difficult to degrade or non-degradable, followed by degradable plastics. The addition of degradants to some plastic particles is still of little use, and the decomposed plastic molecules will still have an impact on the environment.
However, some large-scale supermarkets and shopping malls use fully degradable bags, which are made of modified raw materials synthesized by pbat, pla and cornstarch. This type of bag is fully degradable and its toughness is not inferior to ordinary plastic bags. . It will be completely degraded into carbon dioxide and water in about 3 months in the soil, and it can be stored for 9 to 12 months in a dry warehouse.
The difference between fully biodegradable plastic bags and ordinary plastic bags

1. Different materials

Fully biodegradable plastic bags (that is, environmentally friendly plastic bags) are made of PLA, PHAs, PBA, PBS and other polymer materials. The non-degradable traditional ordinary plastic bags are other plastic materials such as PE.

2. Different production standards

Fully biodegradable plastic bags need to meet the national standard GB/T21661-2008, which has reached the environmental protection standard. The traditional non-degradable ordinary plastic bags do not need to comply with this standard.

3. The decomposition time is different. Generally, the fully biodegradable plastic bags can be decomposed within one year, and the Olympic environmental protection plastic bags can even start to decompose 72 days after they are discarded. It takes 200 years for non-degradable ordinary traditional plastic bags to degrade.

Advantages of using fully biodegradable plastic bags

1. Environmental protection: The use of fully biodegradable plastic bags can greatly reduce the problem of white pollution caused by the inability of traditional ordinary plastic bags to decompose.

2. Excellent performance: The fully biodegradable plastic bag uses starch as the main raw material, the degradation ability is better than other materials, the service life is longer than that of the paper bag, and the cost is lower than that of the paper bag.

3. Exquisite and versatile: The full biodegradable plastic bag and the ordinary plastic bag have the same function except for the different components and materials. They can be beautifully printed, moderate in size, and can pack many products.

4. Recycling: The fully biodegradable plastic bag has the characteristics of softness, wear resistance, foldability and good texture, and the recycling period is long.