Rubber Core Yarn Thread
Vulcanized rubber core thread with minimal textile wrap for hosiery production. Rubber provides essential elasticity, classified under 4007 before full yarn integration.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If predominantly synthetic filament yarn
Textile yarn with rubber core <5% weight goes to Chapter 54.
If cotton covered rubber thread
Chapter 52 for cotton yarn if textile predominates.
If household rubber articles
Finished clothing accessories shift from raw thread.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Rubber content declaration (>50%) critical for Chapter 40 retention
• Spooling specs must show continuous rubber core
• Avoid over-wrapping that triggers 5604 textile classification
Related Products under HTS 4007.00.00.00
Latex Rubber Cord for Mask Earloops
Thin vulcanized natural latex rubber cord designed for earloop attachments in disposable face masks. This continuous cord is extruded and vulcanized, qualifying under HTS 4007.00 as vulcanized rubber cord essential for medical PPE production.
Synthetic Rubber Bungee Cord Thread
Vulcanized synthetic rubber thread used in bungee cords and elastic tie-downs, providing stretch and recovery. Meets synthetic rubber vulcanization criteria in chapter note 2, classified specifically as vulcanized rubber cord under 4007.
Vulcanized Rubber Sewing Elastic Cord
Narrow vulcanized rubber cord for insertion in sewing operations, creating elastic channels in clothing. Produced from natural rubber latex, fully vulcanized, and falls squarely under 4007 as specialized rubber thread/cord.
Medical Grade Silicone Rubber Thread
Vulcanized silicone rubber thread for surgical sutures and medical device elastic components. Silicone qualifies as synthetic rubber under chapter definitions when vulcanized, classified in 4007.
Vulcanized Rubber Fitness Band Cord
Strong vulcanized rubber cord for resistance fitness bands and exercise equipment. Synthetic rubber composition provides required elongation/recovery, qualifying under 4007 as vulcanized cord.
Automotive Door Seal Rubber Cord
Vulcanized EPDM rubber cord for vehicle door weatherstripping seals. Profile-extruded but classified as cord under 4007 when dimensions qualify as thread-like.