Chapter 7106 — Customs Tariff Headings

Antimicrobial Silver Powder

Antimicrobial silver powder engineered for incorporation into textiles and coatings. It is an elemental silver powder in unwrought form, meeting the sieve and purity specifications for classification as silver powder.

Atomized Silver Powder 10-50 Micron

Gas-atomized spherical silver powder in the 10-50 micron range, used for additive manufacturing in aerospace and medical sectors. It is pure elemental silver in powder form, compliant with the sieve definition for silver powder.

Conductive Silver Powder Paint

Silver powder grade specifically for EMI shielding paints, supplied in pure powder form before mixing. It is unwrought silver powder meeting the sieve requirements, used as a conductive filler in electronics enclosures.

Dental Silver Powder Alloy

Silver-based powder alloy for dental amalgams, where silver predominates by weight and over 90% passes a 0.5mm sieve. It is treated as silver powder under the alloy classification rules.

Electrolytic Silver Powder

Dendritic silver powder produced by electrolysis, offering high surface area for catalytic and electronic applications. It is elemental silver in powder form, with 90% or more passing a 0.5mm sieve.

Fine Silver Powder 99.9% Pure

High-purity silver powder at 99.9% with particle sizes where 90% or more passes through a 0.5mm sieve. Used in electronics and chemical applications as an unwrought silver powder.

High-Purity Silver Flake Powder

Flake-form silver powder for solar cell electrodes, with over 90% of particles passing a 0.5mm sieve. It is unwrought silver powder used in photovoltaic manufacturing.

Medical Silver Powder Dressing

Sterile silver powder for wound dressings, providing antimicrobial properties. It is elemental silver in powder form, classified as silver powder despite its medical end-use.

Silver Micropowder for Conductive Paste

Ultra-fine silver powder for conductive inks and pastes in printed electronics, meeting the 0.5mm sieve powder form requirement. It is unwrought silver powder for semi-manufactured applications.

Silver Powder Brazing Filler

Silver powder component for brazing pastes used in HVAC manufacturing, imported separately as a sieve-compliant powder. It is unwrought silver powder for industrial alloy applications.

Silver Powder for Catalysis

Porous silver powder used as a catalyst support in chemical reactors, verified as powder by sieve test. It is pure silver in powder form before any impregnation with catalytic materials.

Silver Powder for Glass Coating

Fine silver powder for automotive glass conductive heating elements, used in silk-screen applications. It is unwrought silver powder in a sieve-compliant form.

Silver Powder for Mirror Backing

Fine silver powder used in chemical reduction processes for mirror silvering, compliant with the powder form definition. It is unwrought silver in powder state before application.

Silver Powder for RFID Ink

Flake silver powder optimized for RFID antenna printing inks, meeting the 0.5mm powder definition. It is unwrought silver powder prior to dispersion in any ink vehicle.

Ultra-Fine Silver Powder Nano

Sub-micron silver nanopowder with particles under 100nm for advanced materials research, with 90% or more passing through a 0.5mm sieve. It is pure silver powder despite the nanoscale particle size.

1 KG Silver Bullion Ingot

A 1 kilogram cast ingot of unwrought silver bullion, stamped with refinery mark and purity assay. This falls under tariff item 7106.91.00 as unwrought silver bullion intended for investment or monetary use.

999 Fine Silver Dore Bars

Unrefined silver dore bars assaying 999 fineness from mining operations, containing minimal impurities. These bars are in unwrought form, prior to electrolytic refining, and are classified under tariff item 7106.91.00 as unwrought silver.

Bolivian Potosi Silver Dore

Traditional dore from Potosi mines, high-grade silver (85% Ag) with doré characteristics from amalgamation. This unwrought silver bullion is classified under tariff item 7106.91.00.

Electrowinning Silver Dore Bars

Dore bars from electrowinning cells in silver heap leach operations, impure with 80% Ag and 15% Au. Unwrought form under tariff item 7106.91.00 due to silver predominance and lack of full refinement. Used by mints and refiners.

Gold-Silver Dore Bars

Dore bars are semi-refined bullion containing a mixture of gold and silver, typically produced from mining operations before full separation. Classified under tariff item 7106.91.00 as unwrought silver dore, where silver is the predominant metal.

Heap Leach Silver Dore Pours

Poured dore from cyanide heap leaching of silver oxides, 72% Ag. Meets unwrought dore criteria for tariff item 7106.91.00.

Johnson Matthey Silver Bullion

Unwrought silver bullion produced by Johnson Matthey, featuring assay card verification of purity. This refinery-standard silver bullion is classified under tariff item 7106.91.00 for bullion markets.

Johnson Matthey Silver Dore

Silver dore from Johnson Matthey processing, unwrought form directly from smelters. Classified as bullion and dore under tariff item 7106.91.00 before final refinement to powder or bars.

PAMP Suisse Silver Bullion

Cast silver bullion bars from PAMP Suisse refinery, stamped with serial numbers and assay cards. These unwrought silver forms are used for investment and trade and fall under tariff item 7106.91.00.

PAMP Suisse Silver Bullion Bar

Cast silver bullion bar from PAMP Suisse refinery, 999.0 fine silver in unwrought rectangular form. Classified as silver bullion under tariff item 7106.91.00 for its investment-grade purity.

Perth Mint Silver Bullion Ingot

Government mint-produced silver bullion ingot from Perth Mint, unwrought 99.99% pure silver. Fits tariff item 7106.91.00 as official silver bullion despite mint origin.

Perth Mint Silver Bullion Shots

Granulated silver bullion shots from Perth Mint, irregular unwrought shapes for melting. These are classified as silver bullion not in powder or semi-manufactured form under tariff item 7106.91.00.

Royal Canadian Mint Silver Bullion

RCM kilo silver bullion bar, unwrought form with proprietary security features and assay. This Canadian government silver bullion is classified under tariff item 7106.91.00.

Silver Bullion Bars

Rectangular bars of unwrought silver, typically 99.9% pure, used as investment bullion. These are not further processed into semi-manufactured shapes and are classified under tariff item 7106.91.00.

Silver Dore Bullion

Semi-refined silver dore bars containing primarily silver with trace impurities, in unwrought form. Tariff item 7106.91.00 applies to silver-dominant dore bullion prior to final refining.

9999 Silver Trading Bar

A 1 kg trading bar of 99.99% pure silver, rectangular in shape and stamped with its purity, weight, and refiner mark. It is in a semi-manufactured form, not further worked, and is classifiable under tariff item 7106.92.00 as semi-manufactured silver.

999 Fine Silver Wire

High-purity 999 fine silver wire in diameters between 0.5mm and 5mm, supplied in coils or spools for jewelry fabrication and electronics. It is semi-manufactured silver, not further worked, and is classifiable under tariff item 7106.92.00.

999 Silver Rectangular Bar

A rectangular silver bar with at least 99.5% silver content, used for bullion investment. It is marked with weight, purity, and manufacturer details, and is in a semi-manufactured state, not further worked, fitting tariff item 7106.92.00.

Bullion Silver Rectangle

A standard 100 oz rectangular silver bullion bar at 99.99% purity, engraved with weight, fineness, and mint logo. It is semi-manufactured silver, not further worked, and falls under tariff item 7106.92.00.

Fine Silver Anode Strip

99.99% silver anode strips for electroplating baths in jewelry and electronics plating lines. They are semi-manufactured silver, not further worked, and fall under tariff item 7106.92.00.

Fine Silver Investment Ingot

A rectangular fine silver ingot with 99.9% purity, stamped with fineness, weight, and serial number for investment. It is in a semi-manufactured form, not further worked, and is classifiable under tariff item 7106.92.00.

Fine Silver Strip for Electronics

Ultra-thin 99.99% pure silver strip (0.05-0.3mm thick) for electrical contacts and conductive paths in circuit boards. It is semi-manufactured silver, not further worked, and is classifiable under tariff item 7106.92.00.

High-Purity Silver Plate

A near-rectangular silver plate stock at 99.95% purity for electronics plating, marked with specifications only. It is semi-manufactured silver, not further worked, and falls under tariff item 7106.92.00.

Pure Silver Profile Wire

99.99% silver profile wire with square or D-shaped cross-sections for specialized jewelry settings. It is semi-manufactured silver, not further worked, and falls under tariff item 7106.92.00.

Purity-Stamped Silver Slab

A rectangular silver slab of 99.5%+ purity, used in jewelry fabrication, marked with purity hallmark, weight, and origin. It is semi-manufactured silver, not further worked, and is classifiable under tariff item 7106.92.00.

Refined Silver Brick

A refined 99.5%+ silver brick in rectangular profile for industrial casting, labeled with purity assay, mass, and batch number. It is semi-manufactured silver, not further worked, and falls under tariff item 7106.92.00.

Silver Foil Roll 99.9%

Continuous 99.9% silver foil rolls at 0.01-0.1mm thickness for gilding, decoration, and thin-film applications. It is semi-manufactured silver, not further worked, and is classifiable under tariff item 7106.92.00.

Silver Solder Wire 70Ag

70% silver brazing wire for jewelry repair and industrial joining, in semi-manufactured rod form. It is a silver alloy, treated as silver per Chapter Note 5(c), and falls under tariff item 7106.92.00.

Sterling Silver Blanks

Pre-cut 925 sterling silver disc and rectangle blanks for stamping pendants and findings. They are semi-manufactured silver, not further worked, and are classifiable under tariff item 7106.92.00.