Hollow fiber refers to the chemical fiber with a fine tubular cavity in the axial direction. A chemical fiber with an axial tubular cavity. It can be used for winter clothing, bedding and padding. Assemble into microfiltration, ultrafiltration, dialysis, gas separation, reverse osmosis and evaporative osmosis, etc.

Sunlite's hollow fiber structure, containing a large amount of static air, can provide the fabric with light elasticity, good moisture permeability and comfortable thermal effect, widely used in thermal underwear, lingerie, sportswear, casual clothing, shirts, outdoor sports and blankets and other fields.