Polymerized Isobutylene Rubber Powder from Japan
Powdered polymerized isobutylene-isoprene for powders. 4002.31.00.00 primary.
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
• Particle analysis
• Dust hazard notes
• Purity assays