Liquefied Butadiene-1,3 (Polymerization Grade) from China
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 — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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