SIR 20 Technically Specified Natural Rubber
SIR 20 is a standard grade of TSNR produced from coagulated natural latex, meeting International Rubber Study Group specifications for dirt, ash, and nitrogen levels. It is in primary bale form, uncompounded.
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 rubber is in a form other than primary forms
Bales are primary forms, but other forms fall under different subheadings.
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
• Confirm the bales meet SIR 20 specifications
• Ensure no prohibited additives are present
• Provide a certificate of analysis from the supplier for smooth clearance
Related Products under Tariff item 4001.22.00
Brown Crepe TSNR
Brown crepe TSNR sheets are produced from low-grade coagulum and technically specified to meet international standards. They are in primary sheet form, uncut or simply cut to rectangular shape, and retain the essential character of raw natural rubber.
ESTR 20 Easy Standard Thai Rubber
ESTR 20 is an enzyme-treated TSNR in bale form, processed to improve processing ease. It meets technical specifications for dirt, ash, and nitrogen content, and is in a primary bulk form as defined in Chapter 40 Note 3.
HV Rubber High Viscosity TSR
High viscosity TSNR bales are produced via low-temperature coagulation and controlled for viscosity to suit tire tread applications. They are in primary bale form, uncompounded, and meet TSNR technical specifications.
Pale Crepe TSNR Grade
Pale crepe TSNR sheets are technically specified with low color for medical applications. They are in primary sheet form, uncut or simply cut, and retain the essential character of raw natural rubber without prohibited additives.
RSS 1 Ribbed Smoked Sheets Natural Rubber
RSS 1 is the highest grade of ribbed smoked sheets, technically specified with very low dirt content and high initial plasticity. It is in primary sheet form, produced by coagulating, rolling, and smoke-drying natural latex.
RSS 3 Ribbed Smoked Sheet Rubber
RSS 3 is a technically specified ribbed smoked sheet grade with slightly higher dirt content (0.20%) than RSS 1, suitable for tire carcasses and conveyor belts. It is in primary sheet form, uncompounded.