Kalrez Perfluoroelastomer 6375 from China
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 — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
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