Ribbed Smoked Sheets (RSS4)
Ribbed Smoked Sheets (RSS4) are lower-grade smoked sheets with higher ash content (max 1.0%) and visible bark specks, used in lower-end rubber products. They meet the 'smoked sheets' definition without prohibited additives, classifying under tariff item 4001.21.00.
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 |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the sheets are mixed with other rubber types
Mixed natural rubber falls under other forms of natural rubber.
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
• Verify the sheets are uncompounded and not further worked
• Provide grade certification (RSS4) and ensure no pigments or plasticizers are added
• Confirm the sheets are in primary form, such as rectangular sheets
Related Products under Tariff item 4001.21.00
Airfield Grade 3 Smoked Rubber Sheets
Grade 3 smoked sheets meeting airfield runway mat specifications, durable with standard impurities. These are primary natural rubber smoked sheets, uncompounded, and processed into heavy-duty matting after import.
Brown Crepe Smoked Rubber Sheets RSS4X
RSS4X brown crepe smoked rubber sheets, made from remilled RSS4, offering consistent quality for belts. These sheets are in primary form and are used in belt manufacturing. They are classified under tariff item 4001.21.00 as natural rubber in smoked sheets.
Bulk Grade 3 Smoked Rubber for Tire Manufacturing
High-volume Grade 3 smoked sheets baled for tire industry compounding, exhibiting standard elasticity and smoke aroma. These are primary natural rubber smoked sheets, free of vulcanizing agents, essential for tire manufacturing.
Dark Smoked Rubber Sheets Grade 10
Dark smoked rubber sheets Grade 10, the darkest grade for bulk applications. These sheets are in primary form and are used in various industrial applications. They are classified under tariff item 4001.21.00 as natural rubber in smoked sheets.
Grade 1 RSS1 Smoked Rubber Sheets
Grade 1 RSS1 Smoked Rubber Sheets are high-quality smoked sheets of natural rubber, produced by coagulating latex, rolling into sheets, air-drying, and smoking over wood fires for preservation. They are uncompounded primary forms, classifying under tariff item 4001.21.00.
Grade 2 Smoked Rubber Sheets
Natural rubber sheets produced from coagulated latex, smoked to preserve and darken them, meeting Grade 2 RSS standards with specific visual and physical criteria like moderate pricks and slight bark. These are uncompounded primary forms, suitable for further processing.