Is there petroleum in polyester

Actually , Polyester is a fabric content. If a fabric content is 100% polyester then the polyester you can call it fabric. I hope can help you .

Technically, polyester is a material from which fabrics are made. It is a synthetic or man made material which can be fabricated into a multitude of woven and knit fabrics. It can also be blended with natural materials like cotton and then fabricated into fabrics.