Cyclic Olefin Copolymer COC Pellets from Mexico
Cyclic olefin copolymer (COC) pellets from norbornene and ethylene, classified by predominant monomer under HTS 3902.90.0050 as other olefins if norbornene dominates. High purity for optical media and medical packaging. Note (a)(4) governs blend classification.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify norbornene content % for predominance proof
• Use cleanroom packaging for optical grade purity
• Avoid 3901 if ethylene < norbornene by weight