High Molecular Weight Ethylene-Butene Elastomer from Canada
An elastomeric copolymer with ethylene and 1-butene monomers, ethylene at >95% by weight, imported in primary powder or pellet form under 3901.90.10. Used in wire insulation compounding. Elastomeric designation per Chapter 39 notes distinguishes it from standard polyethylenes.
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
• Certify high molecular weight via GPC test results for elastomeric proof
• Bulk shipments require homogeneous sampling to avoid disputes
• Common issue: reclassification if moisture content suggests processing