Copolymer Polybutene PB-0300 MFI Pellets from China
PB-0300 copolymer polybutene pellets with 0.3 g/10min MFI for film blowing, classified as other olefin polymers in HTS 3902.90.00 since butene units predominate over 95%. Used in stretch films and medical packaging.
Duty Rate — China → United States
44%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include MFI test reports from ISO 1133 standards; segregate from PP to prevent cross-contamination
• Validate food-grade status for packaging uses
• Use vented silos for hygroscopic grades