Unvulcanized Rubber Discs for Gasket Molding
Circular discs cut from unvulcanized rubber sheets, used as blanks for compression molding into gaskets, are classified here as other articles of unvulcanized rubber. They are not simple sheets because they are cut to shape. This tariff item covers such preforms before vulcanization.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the discs are simply cut from sheets and not further shaped
Plates, sheets, and strip of unvulcanized rubber, even if cut to rectangular shape, fall under heading 4005.
If the discs are already vulcanized and finished as gaskets
Vulcanized rubber gaskets are classified in heading 4016.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Be prepared to demonstrate that the discs are cut to shape, not simply rectangular
• If the discs are intended for gaskets of heading 4016, note that they remain classifiable here until vulcanized
• Keep supplier specifications showing the unvulcanized state
Related Products under Tariff item 4006.90.00
Unvulcanized Butyl Rubber Sheets for Tire Liners
Calendered unvulcanized butyl rubber sheets for inner tire liners, cut to tire specifications. These are articles of unvulcanized synthetic rubber, not qualifying as simple sheets under chapter note 9, and are classified under tariff item 4006.90.00.
Unvulcanized EPDM Rubber Strips for Roofing
Cut-to-width strips of unvulcanized EPDM rubber for membrane roofing production. These are articles of unvulcanized synthetic rubber, not qualifying as simple strip under chapter note 9, and are classified under tariff item 4006.90.00.
Unvulcanized Natural Rubber Discs
Circular discs of unvulcanized natural rubber, used as preforms for gaskets. These are articles of unvulcanized rubber, not qualifying as plates, sheets, or strip under chapter note 9, and are therefore classified under tariff item 4006.90.00.
Unvulcanized Natural Rubber Hose Sections
Pre-formed tubular hose sections of unvulcanized natural rubber, used for industrial hose production. These are tubes of unvulcanized rubber, not in primary forms, and are classified under tariff item 4006.90.00.
Unvulcanized Natural Rubber O-Ring Blanks
Ring-shaped blanks of unvulcanized natural rubber for molding into seals. These are articles (rings) of unvulcanized rubber, classified under tariff item 4006.90.00.
Unvulcanized Natural Rubber Profile Strips
Profile-shaped strips of unvulcanized natural rubber, such as U-channels or T-sections, for molding into seals. These are profile shapes of unvulcanized rubber, classified under tariff item 4006.90.00.