INTRDUCTION: Hollow conjugated (siliconized) polyester fiber is made by bicomponent hollow technology of heterogeneous polyester. The specification can be 7D ,15D ,HS. Hollow Siliconized Fiber has a better warmth character, bulky property, high resilience and light weight which is generated through three dimensional helical structured and permanent crimp, which is suitable for many filling use, such as pillows, sleep bags, sofa, mattress, toys, etc. SPECS: REVOVERY :CM3/G V1≥150 203 V2≥50 63 V3≥120 161 ELASTICITY% ≥70 78