Vulcanized Rubber Elastic Thread
Fine vulcanized rubber thread used primarily in textile manufacturing for elastic properties in garments like waistbands and cuffs. It is produced by extruding vulcanized rubber into continuous thin strands, meeting the definition of vulcanized rubber thread under heading 4007 as it is not compounded beyond basic vulcanization. Cross-sectional dimensions are typically under 5 mm, distinguishing it from thicker strips in heading 4008.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If cross-sectional dimension exceeds 5 mm
Chapter note specifies thicker vulcanized rubber thread classifies as plates, sheets, strip, rods or profile shapes in 4008.
If combined with textile materials exceeding 5% by weight
Rubber thread impregnated or covered with textile materials falls under Chapter 56 as rubber thread and cord textile covered.
If not fully vulcanized or in primary form with additives
Unvulcanized synthetic rubber mixtures classify in 4002 per chapter exclusions on compounding.
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Import Tips & Compliance
• Verify vulcanization status and ensure no prohibited compounding agents per Chapter 40 notes to avoid reclassification to heading 4002
• Provide mill test reports confirming rubber composition (natural or synthetic) and cross-section under 5 mm for customs clearance
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.