Silver Solder Flux for Electronics from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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