Isoprene Rubber (IR) Granules
Granular form of synthetic isoprene rubber supplied for easy handling in tire and rubber goods manufacturing. Falls under HTS 4002.60.00.00 as synthetic rubber in primary bulk form (granules), retaining raw material character without prohibited additives.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If latex form rather than granules
Latex dispersions of IR remain in 4002 but specific subheading applies; granules are bulk primary form.
If compounded with vulcanizing agents during production
Compounded rubber mixtures shift to heading 4005 per chapter note 5(a).
If oil-extended beyond permitted levels
Excess mineral oil extension may classify as petroleum product if not retaining rubber character.
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Import Tips & Compliance
• Include certificates of analysis showing compliance with chapter note 2 vulcanization test requirements
• Document that no pigments, plasticizers or extenders beyond permitted amounts are present
• Watch for reclassification if granules are surface-worked beyond simple form per chapter note 8
Related Products under HTS 4002.60.00.00
Synthetic Isoprene Rubber Latex
A liquid dispersion of isoprene rubber (IR) used in the production of adhesives, coatings, and dipped goods like gloves. Classified under HTS 4002.60.00.00 as synthetic rubber in primary form (latex), meeting the vulcanization and elasticity criteria of chapter note 2 without prohibited compounding agents.
Prevulcanized Isoprene Rubber Latex
Special prevulcanized latex of synthetic IR for foam rubber and medical gloves, where vulcanization occurs during processing. HTS 4002.60.00.00 includes this primary liquid form as explicitly allowed under chapter note 5(a) exception.
Synthetic IR Rubber Blocks
Irregular block form of isoprene rubber for industrial compounding. Classified HTS 4002.60.00.00 as primary 'blocks of irregular shape' explicitly listed in chapter note 3.
Low Molecular Weight IR Solution
Solution of depolymerized isoprene rubber in organic solvent for specialty coatings. HTS 4002.60.00.00 permits such solutions as primary forms if retaining rubber character per chapter definition.
Cis-1,4 Polyisoprene Rubber Bale
Baled synthetic isoprene rubber (IR), a high-cis polyisoprene mimicking natural rubber properties for tire and conveyor belt production. HTS 4002.60.00.00 covers this primary form bale as unvulcanized synthetic rubber meeting chapter note 2 criteria.
IR Synthetic Rubber Powder
Fine powder form of isoprene rubber used in compounding for seals and gaskets. Classified in HTS 4002.60.00.00 as primary form powder, a permitted bulk form under chapter note 3 without disallowed additives.