Unvulcanized Butyl Rubber Sheets for Tire Liners
Calendered unvulcanized butyl rubber sheets for inner tire liners. Classified HTS 4006.90.50.00 as other forms, cut to tire specifications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If uncompounded primary forms
Compounded and shaped sheets exceed primary form definitions.
If vulcanized tire components
Vulcanized new pneumatic tire parts go to heading 4011.
If simple uncut master sheets
Cut to tire dimensions moves to 'other' per chapter note 8.
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Import Tips & Compliance
• Specify air impermeability confirming butyl suitability for tire use
• Document calender gauge control for uniform thickness verification
• Distinguish from tire treads (4011) by pre-vulcanization declaration
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