Styrene Block Copolymer Reclaim Scrap from Canada
Scrap from styrene-isoprene-styrene (SIS) block copolymer film production where styrene end-blocks total ≥95% polymer weight, per note provisions.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Molecular weight analysis for block confirmation; store away from rubber scraps; declare copolymer type explicitly