Xylene Flux for Brazing Copper Pipes from Mexico
Flux preparation containing xylene isomers (>5% aromatic content) for brazing copper plumbing pipes, preventing oxidation during high-heat joining. Classified in 3810.90.10.00 for auxiliary soldering/brazing preparations with aromatic substances.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include flux activity test results and application specifications; ensure VOC compliance for state regs
• Pitfall: incorrect declaration as general solvent causes delays