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. It is a soldering paste consisting of metal alloys and flux materials, falling under tariff item 3810.10.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the silver is the primary value and sold separately from flux
Silver in other semi-manufactured forms is classified under Chapter 71 when not part of a soldering preparation.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the silver content and flux composition for classification
• Be aware of potential precious metal import reporting requirements
• Ensure the paste is not classified as a separate silver product under Chapter 71
Related Products under Tariff item 3810.10.00
Aluminum Brazing Flux Paste
Aluminum brazing flux paste, chloride-free, formulated for torch brazing aluminum heat exchangers in automotive radiators. It contains fluorides that remove the aluminum oxide layer during brazing, qualifying as an auxiliary preparation for soldering or brazing under tariff item 3810.10.00.
Brass Brazing Paste with Silver
Brass brazing paste alloyed with silver, used for plumbing fittings and marine hardware. It consists of metal powders suspended in a flux binder, providing high fluidity for capillary action, and falls under tariff item 3810.10.00 as a brazing paste of metal and other materials.
Citric Acid Stainless Steel Passivation Gel
Citric acid-based thixotropic gel for passivating stainless steel welds and surfaces, removing free iron without chlorides. It acts as a pickling preparation that restores the chromium oxide layer, meeting the description of tariff item 3810.10.00.
Copper Phosphorus Brazing Paste
Self-fluxing copper-phosphorus brazing paste for copper-nickel heat exchanger tubes, containing 7% phosphorus for fluxing during brazing at 700-850°C. It is a brazing paste of metal with auxiliary material, classifiable under tariff item 3810.10.00.
Hydrochloric Acid Metal Pickling Solution
Concentrated hydrochloric acid-based solution formulated to remove rust and scale from steel surfaces before painting or galvanizing. It is a pickling preparation specifically for metal surfaces, falling under tariff item 3810.10.00.
Laser Welding Flux Powder
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