Opanols Elastomeric Polyisobutylene Resin
Opanols are medium molecular weight elastomeric polyisobutylene resins meeting the 95% isobutylene criterion, imported in primary forms like granules. They are used in chewing gum bases and cable insulation, qualifying under tariff item 3902.20.00.
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 product is mixed with other ingredients to form a chewing gum base.
Chewing gum bases containing polyisobutylene are classified in Chapter 17.
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
• If the resin is food-grade for chewing gum, ensure it meets Canadian Food Inspection Agency (CFIA) requirements
• Provide the molecular weight range and isobutylene content in documentation
• Confirm the product is in primary form, not fabricated articles
Related Products under Tariff item 3902.20.00
Butyl Rubber Vistanex L-100
Vistanex L-100 is a high molecular weight elastomeric polyisobutylene containing over 95% isobutylene monomer units, imported in primary pellet form. It falls under tariff item 3902.20.00 as polyisobutylene in primary forms, meeting the subheading note requirement of 95% or more monomer content.
Chewing Gum Base Polyisobutylene
Food-grade polyisobutylene specifically formulated for synthetic chewing gum base, with high monomer purity and classified under tariff item 3902.20.00 as polyisobutylene in primary forms. This elastomer provides the chewable texture required in gum.
Effage B100 Polyisobutylene
Effage B100 is a medium-high molecular weight polyisobutylene used for pharmaceutical sealants and transdermal patches, meeting monomer purity requirements. It is supplied as pharmaceutical-grade material in primary forms, qualifying under tariff item 3902.20.00.
Elastomeric Polyisobutylene Pellets for Tire Inner Liner
These elastomeric polyisobutylene pellets contain 97% isobutylene monomer content and are designed for compounding into tire inner liners. They are imported in primary pellet form and meet the 95% monomer threshold for classification under tariff item 3902.20.00.
Elastomeric Polyisobutylene Rubber
Elastomeric polyisobutylene rubber is a synthetic polymer where isobutylene monomer units constitute 95% or more by weight, imported in primary form. It is used in various applications requiring elasticity and gas impermeability, qualifying under tariff item 3902.20.00.
High Cis Elastomeric Polyisobutylene HMW
High molecular weight elastomeric polyisobutylene with high cis content and over 95% isobutylene by weight, imported as primary polymer. It is used in sealants, roofing membranes, and vibration dampers, and is classified under tariff item 3902.20.00.