Silver Solder Flux for Electronics from Mexico
A rosin-activated liquid flux optimized for silver-based soldering in circuit board assembly. Falls under HTS 3810.90.5000 as other auxiliary preparations for soldering, providing clean joints without residue in precision electronics. Meets J-STD-004 standards for no-clean applications.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Classify by halide content (low-solids/no-clean vs water-soluble) to match correct flux category
• RoHS compliance declaration required for electronics assembly imports
• Shelf life testing documentation prevents rejection due to separation or degradation claims