Soldering Powder Flux for Lead-Free from Japan
Ammonium chloride-zinc chloride powder flux for lead-free solder joints in plumbing fixtures. Under HTS 3810.90.5000 as other soldering auxiliary preparation, activated for tin-silver-copper alloys. Water-soluble for post-flow cleaning.
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
• Chloride activation level docs separate from organic acid fluxes
• Lead-free alloy compatibility testing prevents plumbing rejection
• Hygroscopic powder requires sealed container import specs