Copolyester Elastomer (COPE) Granules from Mexico
Thermoplastic copolyester elastomers like Hytrel, combining hard polyester segments with soft polyether, supplied in primary granules. 3907.99.5050 applies as polyester blocks predominate by weight per classification notes.
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
• Submit segment block analysis proving polyester > polyether content for heading retention
• Distinguish from TPE-E with excessive soft segments qualifying as rubber (Chapter 40)
• Include melt flow index specs for statistical reporting accuracy