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3902.90.00/Duraflex PB8400 Polybutene/Japan

Duraflex PB8400 Polybutene from Japan

Duraflex PB8400 medium MFI polybutene for blow molding pipes, under HTS 3902.90.00 primary olefin polymer. Balanced flexibility/stiffness.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• PENT test data for pressure rating; NSF certification for potable water

• Segregate from PE recycling streams