Copper Phosphorus Brazing Paste from Mexico
Self-fluxing copper-phosphorus brazing paste for copper-nickel heat exchanger tubes. Contains 7% phosphorus for fluxing action during 700-850°C brazing. HTS 3810.10.00.00 as brazing paste of metal with auxiliary materials.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Phosphorus percentage certification prevents copper-only metal classification
• Brazing procedure specifications prove auxiliary preparation status
• Temperature-controlled shipping maintains paste homogeneity