Silver Solder Paste 56% Ag Flux Core from Mexico
Pre-mixed silver solder paste with 56% silver content and integrated flux for HVAC and refrigeration brazing applications. Falls under HTS 3810.10.00.00 as a soldering paste consisting of metal alloys and flux materials. Provides strong, leak-proof joints on copper tubing.
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
• Include alloy composition certificates (XRF analysis) for precious metal content verification
• Separate from pure silver under Chapter 71 by emphasizing soldering preparation function
• Store in syringes to maintain consistency during ocean freight temperature fluctuations