Butene-1 Polymerization Grade from Japan
High-purity butene-1 (>99.5%) specifically for LLDPE copolymer production, classified as pure butene isomer under HTS 2901.23.00.00.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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