As people's awareness of environmental protection has increased, in recent years, they have been advocating the ban on plastic disposable products and promoting environmentally friendly and degradable alternative products, but some people have come forward to say that environmentally friendly bags cannot be degraded! Why is it so? And it is accompanied by experimental proof, so is biodegradability just a gimmick of the manufacturer? Why are more and more national governments still promoting degradable environmentally friendly plastic products? To understand the original, let's first understand the degradable plastic.