What is polyester made out of?
Polyester is a category of polymers which contain the ester group in its' main chain. Usually, polyester refers to cloth woven from polyester fiber. Polyesters do exist in nature (Plant Cuticle), however, polyester generally refers to the large family of synthetic polyesters (plastics) which includes polycarbonate and polyethylene terephthalate (PET). Get an A.
