A variety of material added to fiber forming polymer to change its properties and improve its performance, they are known as additives.
  1. Delustering agent: TiO, TiO2.
  2. Solution dyeing.
  3. OBA: Denjamidajole, parasoline.
  4. Heat stabilizer: Salt of Cu, Mn as phosphate.
  5. Light stabilizer: Poly hydroxyl benzophenol.