PSF is made from recycled PET bottles flakes. It is also used generally in spinning to make Polyester Spun Yarn which is then knitted or weaved into fabrics. PSF is mainly classified Solid and Hollow Polyester staple fiber. We have Hollow Conjugated siliconized 7D Hollow conjugated non siliconized 9D Solid 15D Uses : Mattress, Pillow/Bolster, Doll, etc Raw materials of non-woven products