Oppanol B15 Polyisobutylene Resin
Oppanol B15 is a high molecular weight polyisobutylene resin serving as an adhesive tackifier and chewing gum base component. It qualifies for HTS 3902.20.5000 as 'Other' polyisobutylene with ≥95% isobutylene monomer content in primary slab or pellet form. This thermoplastic polymer is essential for pressure-sensitive adhesives.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If polyvinyl acetate blend for gum
Chewing gum base polymers with PVA components classify under polyvinyl acetate polymers.
If when used as prepared adhesive
Adhesives prepared from polyisobutylene fall under Chapter 35 prepared binders.
If for chemically modified versions
Modified polyisobutylene not covered by 3902 specifics goes to 'Other' polyesters/derivatives.
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Import Tips & Compliance
• Submit GPC analysis confirming molecular weight distribution; ensure no vulcanizing agents present to stay in primary forms; declare exact purity to prevent audit reclassifications
Related Products under HTS 3902.20.50.00
Polyisobutylene Rubber Vistanex LM-MS
Vistanex LM-MS is a medium molecular weight polyisobutylene polymer used primarily as a tackifier and viscosity modifier in adhesives, sealants, and rubber compounding. It falls under HTS 3902.20.5000 as 'Other' polyisobutylene in primary forms, meeting the subheading note where the isobutylene monomer units contribute over 95% by weight. This non-crosslinked elastomer is imported in pellet or slab form for industrial processing.
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Liquid Polyisobutylene Napvis 10
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Chewing Gum Base Polyisobutylene
Food-grade polyisobutylene specifically formulated for synthetic chewing gum base, classified under HTS 3902.20.5000 as 'Other' polyisobutylene in primary forms with high monomer purity. This elastomer provides the chewable, non-stick properties essential for gum production.