Pet Fibers, Dominate The World Synthetic Fibers Industry. They Occupy The Largest Volume Of Synthetics And Exceed Nylons, Rayon, And Acrylic Fibers. They Are Inexpensive, Easily Produced From Petrochemical Sources, And Have A Desirable Range Of Physical Properties. They Are Strong, Lightweight, Easily Dyeable, And Wrinkle-resistant, And Have Very Good Wash–wear Properties. Their Versatility Is Legendary.