a soft plastic
Plastic is used to make plastic bags because it is both durable and flexible.
The typical soda / juice / water bottle is made from polythylene terephthalate (PET or PETE, plastic number 1).
Plastics are created from a group of synthetic molecules known as polymers. Polymers are large, easy to create and made up of a repeating molecular pattern created by units called monomers. In...
depends which kind of plastic......e.g. we have thermoplastics and thermosets.