Boron; tellurium
Hydrogen, rare gases and other non-metals. > Rare gases: > Boron; tellurium > Boron; tellurium
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2804.50.00
5N Tellurium Granules
Ultra-high purity tellurium granules (99.999%) are used in infrared detectors and thermoelectric devices. They are classified under tariff item 2804.50.00 as elemental tellurium in granular form.
Amorphous Boron Granules
Amorphous boron granules are a high-purity elemental non-metal used in pyrotechnics and metallurgy. As unworked granular boron, they fall under tariff item 2804.50.00, which covers boron and tellurium in their elemental forms.
Amorphous Boron Powder
Amorphous boron powder is a fine, non-crystalline elemental boron used in pyrotechnics and metallurgy. It is classified under tariff item 2804.50.00 as a chemically defined non-metal, per chapter 28 notes.
Boron Granules 99.5% Pure
Boron granules of 99.5% purity are elemental boron in granular form, used in alloy production and chemical synthesis. They fall under tariff item 2804.50.00 as boron, a non-metal element.
Boron Powder for Pyrotechnics
Fine boron powder for pyrotechnics is elemental boron used as a fuel. It is classified under tariff item 2804.50.00 as a non-metal element, excluding prepared charges or mixtures.
Boron Rods Unworked
Boron rods in unworked elemental form are used for research and high-temperature applications. They are classified under tariff item 2804.50.00 as boron, a non-metal element, provided they are not further processed into articles.
Crystalline Boron Rods
Crystalline boron rods are high-purity elemental boron in cylindrical form, used in nuclear applications. They are classified under tariff item 2804.50.00 as unworked boron per chapter 28 provisions.
Elemental Boron for Semiconductor Doping
High-purity elemental boron for semiconductor doping is classified under tariff item 2804.50.00 as long as it is unworked and not in electronic forms like discs or wafers. This product is a separate chemical element meeting chapter 28 criteria.
Elemental Boron Powder
Elemental boron powder is a pure non-metal used in nuclear reactors and as a doping agent. It falls under tariff item 2804.50.00 as boron in powder form, meeting the chapter's requirements for separate chemical elements.
Elemental Tellurium Metal Ingots
Elemental tellurium metal ingots are a non-metal used in solar panels and alloys. They are classified under tariff item 2804.50.00 as tellurium in elemental form, distinct from compounds or alloys.
High-Purity Boron Lump
High-purity boron lumps are irregular chunks of elemental boron used in vacuum arc melting. They fall under tariff item 2804.50.00 as unprocessed boron non-metal, per chapter 28 exclusions.
High-Purity Crystalline Boron
High-purity crystalline boron lumps are elemental boron in unworked form, used for semiconductor doping. They fall under tariff item 2804.50.00 as a separate chemical element, per chapter 28 notes.
Refined Tellurium Shots
Refined tellurium shots are small elemental tellurium pieces used in steel alloying. They are classified under tariff item 2804.50.00 as tellurium in elemental form, not as alloys or compounds.
Tellurium Powder 99.99% Pure
Ultra-pure tellurium powder is used in infrared detectors and thermoelectric devices. It falls under tariff item 2804.50.00 as elemental tellurium in powder form, meeting chapter 28 purity standards.
Ultra-High Purity Boron Pellets
Ultra-high purity boron pellets (99.999%) are elemental boron for research and plasma applications. They are classified under tariff item 2804.50.00 as a chemically defined non-metal.