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4-Methyl-1-Pentene Copolymer Pellets from Japan

Pellets of 4-methyl-1-pentene copolymer where the named monomer predominates by weight, classified under HTS 3902.90.0050 as other olefin polymers not specifically named. Used in high-temperature films and containers. Follows subheading note (a)(4) for predominant monomer rule.

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%

Import Tips

Conduct weight-based comonomer analysis to prove predominance

Declare exact copolymer ratios in entry summary

Use sealed bags to maintain pellet form during transit