Silver Solder Paste 56% Ag Flux Core from China
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 — China → United States
40%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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