Polyester is a category of polymers which contain the ester functional group in their main chain.
However! the term "polyester" as a specific material most commonly refers to polyethylene...
where the cotton percentage is more than 50% in the yarn (cotton polyester) than it is termed as cotton polyester and where the polyester percentage is more than 50% in the yarn ( polyester cotton)...
"polyester fiber" consists of individual fibers that are usually at least sever meters, often hundreds of meters, long. In "polyester staple fiber", the fibers have been cut or chopped so that an...