Functional Fiber 1. Specifications:1.5D - 15D 2.health, non-toxic 3.100%polyester 4.chemial resistant,heat resistant Functional Fiber Serial No.Test itemUnit of quantity1length32mm-76mm2fineness1.5D-20D applications fields: Widely used in various types of needled fabrics such as household textiles, indoor decoration materials, automotive liners, etc.