Liquefied Butadiene-1,3 (Polymerization Grade) from Mexico
High-purity 1,3-butadiene (C4H6) liquefied for synthetic rubber (SBR, polybutadiene) production. Falls under HTS 2711.14.00 as liquefied butadiene, a conjugated diene hydrocarbon gas.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include inhibitor concentration details (e.g
• TBHP) to prove polymerization-grade stability
• Require specialized railcars or ISO tanks with refrigeration to maintain -4°C temperature