Polybutylene Ether Pellets from Japan
Polybutylene ether pellets are aliphatic polyethers derived from 1,4-butanediol, classified in HTS 3907.29.00.00 as other polyethers with >95% ether content by weight in primary form. Used in hot-melt adhesives and flexible tubing.
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
• Certify no plasticizer additives; 3920.43 notes impact classification if present
• Declare melt flow index to confirm processability as primary thermoplastic
• Separate from polyester PBT; ether vs ester distinction critical via spectroscopy