POLYESTER:
Polyester is a synthetic fibre produced from the polymer Poly Ethylene Terephthalate (PET). PET is produced by reacting Purified Terephthalic Acid (PTA) or Dimethly Terephthalate (DMT) with Mono Ethylene Glycol (MEG). All these raw-materials are from Petroleum products. From the PET polymer Polyester Fibres are produced in various forms namely Staple Fibres (PSF) and Filament forms Partially Oriented Yarn (POY), Draw Textured Yarn (DTY), Fully Drawn Yarn (FDY).
PSF are produced in cut lengths of 38, 44 & 51 mm and in deniers of 1.0, 1.2, 1.4, 1.5, 2.0, 2.25 and 3.0. POY have deniers of 51 to 245 with number of filaments between 14-34. Crimping is done PSF which facilitates production of spun yarns.
PSF are sold in various strengths namely Low-pill fibres, Medium Tenacity, High Tenacity & Super High Tenacity. Various lustre level fibres are available like Bright, Semi dull, Dull & Extra dull.
Polyester woven fabrics are used in apparel and home furnishings such as bed sheets, beds, curtains and draperies. Industrial polyesters are used in tyre reinforcements, ropes, fabrics for conveyor belts, safety belts, coated fabrics and plastic reinforcements with high . Polyester fibre-fills are also used to stuff pillows, beds and cushion padding.
Polyester fabrics have a "less natural" feel when compared to natural fibres like cotton in textile uses. Polyester fibres are spun together with other natural fibres to produce a cloth having the merits of both synthetic & natural fibres.