The degradable plastic packaging bag is a disposable shopping bag that is "degradable and easily degradable". Degradable plastic packaging bags can be divided into two types from the difference of raw materials and decomposition factors:
A plastic packaging bag made mainly of polyethylene plastic and blended with biodegradation agents such as starch, also called biodegradable plastic packaging bag. This plastic packaging bag is mainly decomposed by the action of microorganisms.
Another kind of plastic packaging bag mainly made of polyethylene plastic, blended with mineral powders such as photodegradation agent and calcium carbonate, also called photodegradable plastic packaging bag This plastic packaging bag is decomposed under the action of sunlight.