How to distinguish between plastic and plastic

There is only one word difference between plastic and plastic. In fact, there is no clear distinction between the two. The two are like twin brothers. I have you and you.
composition:
Plastic is not a pure substance, it is made up of many materials. Among them, high molecular polymers (polymers, also known as resins, natural resins and synthetic resins) are the main components of plastics. In addition, various auxiliary materials are added to the polymers according to their different processing behaviors. Such as fillers, antistatic agents, plasticizers, hardeners, lubricants, antioxidants, stabilizers, colorants and so on. So the so-called plastic, in fact, it is one of the synthetic resins artificially modified by chemical means.
Definition of plastic: refers to the high-molecular-weight synthetic resin as the main component, adding appropriate additives, the main components of which are carbon, oxygen, hydrogen and nitrogen and other organic or inorganic elements. A material that has plasticity and fluidity, can be molded into a shape, and retains its shape under certain conditions.
Although it is easy to confuse plastics and plastics in the literal sense, it can be found through the constituent materials that the main component of plastics and plastics is also a resin, but the name is different.