The reporter saw in a large supermarket in Beijing that degradable plastic bags have been sold here. These plastic bags are made of starch and biodegradable resin, which can be degraded into water and carbon dioxide in 180 to 360 days. At present, the supermarket offers two types of degradable plastic bags at 70 cents and 1 yuan respectively.

According to the person in charge of the supermarket, the supermarket began to sell degradable plastic bags on December 21. Compared with before, the consumption of plastic bags has decreased.

At present, "plastic ban order" is officially implemented in all parts of the country and has entered the countdown. On January 19 this year, the national development and Reform Commission and the Ministry of ecological environment jointly issued an announcement, proposing to orderly ban and restrict the production, sales and use of some plastic products. In July, the national development and Reform Commission and the Ministry of ecology and environment issued a notice again, which made it clear that from January 1, 2021, shopping malls, supermarkets, pharmacies and bookstores in the built-up areas of municipalities directly under the central government, provincial capital cities and cities under separate planning will be prohibited from using disposable non degradable plastic bags and disposable plastic tableware.

Biodegradable plastics are also the final products after the modification of raw materials and then through other three steps. The main materials are pbat+pla+ starch. PBAT raw materials are from chemical products, PLA is PLA, which is usually produced by corn fermentation and then synthesized into PLA in industry.

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