Poly(1-butene) Pipe Grade Resin from Canada
High-density poly(1-butene) resin for piping applications, classified in HTS 3902.90.0050 as other olefin polymers in primary granular form with >95% 1-butene monomer units. It offers superior creep resistance and flexibility for plumbing and gas pipes. Subheading notes place it in 'Other' after polypropylene specifics.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide density and melt index specs matching 1-butene polymer characteristics
• Avoid bulk packaging that mimics finished pipes (3925 classification risk)
• Certify no plasticizers added, per subheading note for related plastics