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What are the factors restricting the development of biodegradable plastic bags?

What are the factors restricting the development of biodegradable plastic bags?

2021-11-10

What are the factors restricting the development of biodegradable plastic bags? Cost is a key factor restricting the commercialization of biodegradable plastics. Biodegradable plastic bags are mainly composed of PLA, PBAT and corn starch. Due to the difficulty of obtaining raw materials, high prices, long biological reaction time, and high equipment operating costs, the price of degradable plastics is generally 2 to 5 times that of traditional plastics, even if it is The price of PLA and PBAT, which are highly industrialized, is also significantly higher than that of non-degradable plastics.

In addition, the degradation of biodegradable plastic bags still needs to meet specific composting conditions and it is difficult to complete complete decomposition in a short time. For example, PBAT can degrade 90% in 160 days in an environment of 58~65°C and 50%~55% humidity. If the degradable plastic cups are discarded at will, they are not separately recycled into industrial compost, which may cause additional environmental hazards.


Dongguan Sengtor Plastic Products Co., Ltd. is a key high-tech enterprise focusing on R&D, production and sales of biodegradable plastic bags. The company's products have passed the biodegradation rate test of the National Plastic Products Quality Supervision and Inspection Center GB/T19277.1 standard, and the European EN13432 standard compost test, which will effectively solve the problem of environmental pollution. Welcome customers to inquire!

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