Usually the most commonly used plastic bags are made from PE and PO materials, biodegradable plastic bags is added in PE or PO biodegradable masterbatch (such as starch, modified starch, or other plant fiber, photosensitizer, biological JiangXieJi, etc.). Often the difference between plastic and biodegradable plastic bags the most foundation is different degradation time. Usually assume that the landfill waste plastics products, after 100 years of time can't degradation, heard that complete degradation will take long and even thousands of years. How to distinguish biodegradable bags with ordinary plastic bags? As you can from the following points to determine their features: 1. The OPP bag Ingredients: bag: usually a hard raw material, the degradation of our environment feels like soft bags, belt grinding