what is a plastic
Plastic is a material consisting of any of a wide range of synthetic or semi-synthetic organics that are malleable and can be molded into solid objects of diverse shapes.Plastics are typically organic polymers of high molecular mass, but they often contain other substances.nplasticised polystyrene is a rigid, brittle, inexpensive plastic that has been used to make plastic model kits and similar knick-knacks. It also is the basis for some of the most popular foamed plastics, under the name styrene foam or Styrofoam.