Silver Solder Paste 56% Ag Flux Core
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pure silver brazing rod/wire without flux
Unprepared precious metal alloys classified as base metals of Chapter 71.
If coated welding electrodes rather than paste form
Solid electrodes with coatings go to 8311; paste preparations stay in 3810.
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Import Tips & Compliance
• 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
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