Raw Materials: PTA (Purified Terephthalic Acid) MEG (Monoethylene Glycol) Grade: Bright Form: White Granules Product Description: Alkali-soluble Polyester Chips are a type of modified polyester created by incorporating hydrophilic groups into conventional polyester structures. This modification allows for improved solubility in alkaline solutions. These chips are used in the production of ultra-fine sea-island POY (Partially Oriented Yarn) and FDY (Fully Drawn Yarn), as well as sea-island staple fibers. The material is ideal for applications requiring high-performance fibers and fabrics with unique textural qualities.