what is polyester fibre
Polyester. A polyester, according to BISFA, is a fibre composed of linear macromolecules having a chain at least 85% by mass of a diol and terephthalic acid. The first polyester was made in the UK in 1941.This polyester, known as polyethylene terephthalate (PET) has become by far the world's major man-made fibre.olyester. A polyester, according to BISFA, is a fibre composed of linear macromolecules having a chain at least 85% by mass of a diol and terephthalic acid. The first polyester was made in the UK in 1941.