Kalrez Perfluoroelastomer 6375 from Canada
Kalrez 6375 is a perfluoroelastomer (FFKM) of tetrafluoroethylene, perfluoromethyl vinyl ether, and cure-site monomer (>95% weight). Gum form for compounding into chemical process industry O-rings. Classifies as elastomeric fluoropolymer under 3904.69.10.00.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• High-value goods; use bonded warehouses to defer duties during compounding
• Trademarked product—ensure authorized supplier certificates to prevent counterfeiting issues
• Rejects common; document scrap rates in entry summaries