Hybrar 7310SE Polyolefin Block Copolymer
Hybrar 7310SE styrenic block copolymer with olefin midblock, classified HTS 3902.90.00 as predominant olefin polymer per note (a)(4). Primary form for asphalt modification.
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Import Tips & Compliance
• Styrene content <20% declaration; hydrogenation status docs
• Hot-melt processing validation
Related Products under HTS 3902.90.00
Polybutene-1 Resin PB-1
Polybutene-1 (PB-1) is a polyolefin polymer derived from butene-1 monomer, classified under HTS 3902.90.00 as it falls within polymers of other olefins in primary forms (pellets or granules). It meets the subheading note requiring the monomer unit to contribute 95% or more by weight. Used in pipes, films, and sealants due to its flexibility and sealability.
Polyisobutylene (PIB) Gum
Polyisobutylene is a synthetic rubber-like polyolefin from isobutylene monomer, imported as viscous liquid or granules under HTS 3902.90.00 for other olefin polymers in primary forms. It qualifies as the isobutylene units exceed 95% by weight. Commonly used in chewing gum base, adhesives, and sealants.
Polymethylpentene (PMP) Pellets
Polymethylpentene, a high-clarity polyolefin from 4-methyl-1-pentene monomer, is imported in pellet form under HTS 3902.90.00 as other olefin polymers in primary forms. The monomer contributes over 95% by weight per chapter notes. Ideal for labware, medical devices, and microwave components due to heat resistance.
Poly-4-methyl-1-pentene Granules
Granular poly-4-methyl-1-pentene (TPX) is a semicrystalline olefin polymer used in optical and high-temp applications, classified in HTS 3902.90.00 for primary form olefin polymers beyond propylene. Meets 95% monomer threshold. Offers low density and high transparency.
High-Density Polybutene Pellets
High-density polybutene resin pellets for piping and hot-melt adhesives are olefin polymers under HTS 3902.90.00, as butene-derived in primary granular form with >95% monomer content. Provides superior creep resistance and flexibility.
Isotactic Polybutene Powder
Isotactic polybutene powder, a stereoregular olefin homopolymer, is classified under HTS 3902.90.00 for other olefins in primary powder form suitable for compounding. Monomer purity exceeds chapter note requirements. Applied in sealants and electrical insulation.