Soldering Powder Flux for Lead-Free from Canada
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 — Canada → United States
15%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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