The alias is dacron.Its scientific name is polyethylene terephthalate which is called polyester fiber for short.The polyester in Taiwan is called Tetoron, which is a sewing thread made of high-strength polyester chemical fiber filament (using high-quality Taiwanese raw materials) , also known as high-strength thread.
Polyester has different trade names in several major countries in Europe and America. But whatever it changes, the same thing is the beginning of the T letter.