Butene-1 Polymerization Grade from Mexico
High-purity butene-1 (>99.5%) specifically for LLDPE copolymer production, classified as pure butene isomer under HTS 2901.23.00.00.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Polymer grade specs must show nitrogen <1ppm to maintain pure hydrocarbon status
• Refrigerated liquid transport documentation required for hazmat compliance
• Avoid bulk shipments mixed with C2/C3 streams to prevent Chapter 27 classification