Polyisobutylene
Polymers of propylene or of other olefins, in primary forms. > Polyisobutylene > Polyisobutylene
Duty Rate (from China)
Products classified under Tariff item 3902.20.00.00
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.
3902.20.00Chewing 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.
3902.20.00Effage 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.
3902.20.00Elastomeric 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.
3902.20.00Elastomeric 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.
3902.20.00High 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.
3902.20.00Hycar Polyisobutylene Adhesive Polymer
Hycar polyisobutylene is a specialty grade for hot-melt adhesives and sealants, meeting the 95% monomer purity criteria in primary pellet form. It is used in construction and automotive applications, classified under tariff item 3902.20.00.
3902.20.00Indopol L-100 Polyisobutylene
Indopol L-100 is a low molecular weight liquid polyisobutylene used as a plasticizer and lubricant additive in industrial oils and greases. It is classified under tariff item 3902.20.00 as polyisobutylene in primary liquid form, with isobutylene as the predominant monomer.
3902.20.00Liquid Polyisobutylene Napvis 10
Napvis 10 is a low-viscosity liquid polyisobutylene used in cable filling compounds and corrosion inhibitors, classified under tariff item 3902.20.00 as polyisobutylene in primary liquid form. The isobutylene monomer units predominate, meeting the classification criteria.
3902.20.00Opanols 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.
3902.20.00Oppanol 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 tariff item 3902.20.00 with 95% or more isobutylene monomer content, imported in primary forms.
3902.20.00Pebax Polyisobutylene Elastomer Pellets
Pebax polyisobutylene elastomer pellets are specialty pellets used in medical tubing and seals, meeting 95%+ isobutylene content for classification under tariff item 3902.20.00. These non-crosslinked pellets are in primary form.
3902.20.00Polyisobutylene Rubber Vistanex LM-MS
Vistanex LM-MS is a medium molecular weight polyisobutylene polymer used as a tackifier and viscosity modifier in adhesives, sealants, and rubber compounding. It falls under tariff item 3902.20.00 as polyisobutylene in primary forms, with isobutylene as the predominant monomer.
3902.20.00Polyisobutylene Tire Inner Liner Resin
High molecular weight polyisobutylene resin used in butyl rubber compounding for tire inner liners, qualifying for tariff item 3902.20.00 as polyisobutylene in primary pellet form. It provides air retention properties when compounded.
3902.20.00Vistanex Polyisobutylene HMW
Vistanex HMW (high molecular weight) polyisobutylene is used in asphalt modification and roofing sealants, classified under tariff item 3902.20.00 with over 95% isobutylene content in slab form. It enhances elasticity and weather resistance.