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Ceramic wares for laboratory, chemical or other technical uses; ceramic troughs, tubs and similar receptacles of a kind used in agriculture; ceramic pots, jars and similar articles of a kind used for the conveyance or packing of goods. > Ceramic wares for laboratory, chemical or other technical uses: > Other > Other > Other
Duty Rate (from China)
Products classified under Tariff item 6909.19.90.00
3D Ferrite Core Memory Stack
A three-dimensional stack of ferrite core planes mounted on fired ceramic frames, used for high-capacity technical memory in minicomputers. The ceramic components are fired after shaping and serve a technical function, qualifying under tariff item 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Alumina Ceramic Evaporating Dish
An alumina-based ceramic evaporating dish, fired for use in analytical chemistry, is employed to evaporate liquids and recover precipitates. Its high-purity alumina body resists chemical attack and thermal shock, making it ideal for laboratory processes. This product falls under tariff item 6909.19.90 as ceramic ware for laboratory use.
6909.19.90Alumina Ceramic Thrust Bearings
Aluminum oxide (alumina) ceramic thrust bearings for precision instruments in chemical analysis labs. Fired to achieve high compressive strength and electrical insulation for technical operations, these bearings are classifiable under 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Boron Nitride Ceramic Bearing Rollers
Boron nitride ceramic rollers for vacuum laboratory systems and chemical reactors. Hexagonal BN structure fired for lubricity and thermal shock resistance in technical uses, these rollers are classifiable under 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Ceramic Buchner Funnel
A perforated porcelain funnel designed for vacuum filtration in chemical laboratories. It is fired after shaping to withstand corrosive filtrates and high temperatures, making it a ceramic ware for laboratory use under heading 69.09.
6909.19.90Ceramic Evaporating Dish
A shallow, wide porcelain dish used in laboratories to evaporate liquids and concentrate solutions. It is fired after shaping, offering resistance to acids and high temperatures, and is a ceramic ware for laboratory use.
6909.19.90Ceramic Filter Crucible
A porcelain crucible with a porous base designed for filtering molten materials in technical laboratories. Fired after shaping, it is a ceramic ware for chemical or technical use under heading 69.09.
6909.19.90Ceramic Hybrid Deep Groove Ball Bearings
Deep groove bearings with ceramic balls and steel races imported as technical ceramic components for chemical machinery. Zirconia or silicon nitride balls provide key anti-corrosion properties, and the ceramic balls are classifiable under 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Ceramic Melting Pot for Technical Use
A porcelain pot used for melting alloys or salts in metallurgical laboratories, offering high thermal resistance. It is fired after shaping and is a ceramic ware for technical use under heading 69.09.
6909.19.90Ceramic Mullite Boat for Technical Furnaces
A mullite ceramic boat, shaped and fired for holding samples in high-temperature technical furnaces, is used during material testing and sintering processes. Its refractory mullite composition withstands extreme temperatures and thermal cycling. This product is classified under tariff item 6909.19.90 as ceramic ware for other technical uses.
6909.19.90Ceramic pH Electrode Holder
A porcelain holder designed to secure pH electrodes in chemical testing setups. Fired after shaping, it is a ceramic ware for laboratory or technical use, classified under heading 69.09.
6909.19.90Ceramic Sintering Boat
A high-fired porcelain boat used for holding powders during sintering in technical ceramic production laboratories. It is fired after shaping and is a ceramic ware for technical use under heading 69.09.
6909.19.90Ceramic Technical Weighing Scoop
A porcelain scoop designed for precise powder weighing in pharmaceutical and chemical laboratories. Fired after shaping, it is a ceramic ware for laboratory use under heading 69.09.
6909.19.90Cordierite Ceramic Sagger for Technical Kilns
A cordierite-based ceramic sagger box, fired to protect samples in technical kilns during firing cycles, offers excellent thermal shock resistance. Its magnesium silicate composition provides stability at high temperatures, making it essential for industrial ceramic processes. This product falls under tariff item 6909.19.90 as ceramic ware for other technical uses.
6909.19.90Core Rope Memory Cassette
A modular cassette housing multiple ferrite core planes on ceramic substrates, fired for technical memory storage in industrial control systems. The fired ceramic substrates provide structural support and electrical insulation, making it classifiable under 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Ferrite Core Memory Module
A ferrite core memory module consisting of a grid of tiny ferrite toroids arranged on ceramic substrates, fired after shaping to create nonmetallic magnetic storage elements. It falls under 6909.19.90 as a ceramic ware for technical uses, given its laboratory or industrial memory applications.
6909.19.90Industrial Ferrite Core Memory Bank
Multi-plane ferrite core memory bank mounted on fired ceramic frames for chemical process control technical applications. The ceramic frames are fired after shaping and provide thermal and electrical insulation, classifying it under 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Lab-Grade Ceramic Gas Washing Bottle
A lab-grade ceramic gas washing bottle, fired with inlet and outlet tubes, is used for scrubbing gases in chemical laboratories. Its corrosion-resistant ceramic body handles reactive vapors, making it a durable alternative to glass. This product is classified under tariff item 6909.19.90 as ceramic ware for laboratory or chemical use.
6909.19.90Laboratory Ceramic Desiccator Plate
A porcelain perforated plate used inside desiccators to hold samples during moisture removal in laboratories. Fired after shaping, it is a ceramic ware for laboratory use, classified under heading 69.09.
6909.19.90Laboratory Porcelain Combustion Boat
A small porcelain boat used for sample combustion in elemental analysis laboratories. Fired at high temperatures for ash retention, it is a ceramic ware for laboratory use under heading 69.09.
6909.19.90Macor Machinable Ceramic Bearing Bushes
Macor glass-ceramic machinable bushes for prototype lab bearings and chemical fixtures. Fired microcrystalline structure allows post-firing machining for technical precision, making these bushes classifiable under 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Military Grade Ferrite Memory Plane
Single-plane ferrite core memory on ruggedized fired ceramic base for defense laboratory simulations and technical data logging. The fired ceramic base provides stability and insulation, making it classifiable under 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Porcelain Buchner Funnel for Lab Filtration
A porcelain Buchner funnel with fixed porosity, fired for vacuum filtration in laboratories, features a translucent low-absorption body. It is essential for separating precipitates and filtering solutions in analytical chemistry. This product falls under tariff item 6909.19.90 as laboratory ceramic ware.
6909.19.90Porcelain Crucible for Laboratory Use
A high-fired porcelain crucible designed for melting and heating substances in laboratory settings, featuring excellent thermal shock resistance and chemical inertness. It is a ceramic ware for laboratory use under heading 69.09.
6909.19.90Porcelain Distillation Head
A fired porcelain component used in laboratory distillation apparatus, offering chemical resistance and low absorption. It is a ceramic ware for laboratory use under heading 69.09.
6909.19.90Porcelain Gas Washing Bottle
A fired porcelain bottle used for scrubbing gases in chemical laboratories, with a fritted disc for efficient absorption. It is a ceramic ware for laboratory use under heading 69.09.
6909.19.90Porcelain Mortar and Pestle Set
A lab-grade porcelain mortar and pestle set used for grinding and mixing chemicals, with a translucent fired body absorbing less than 0.5% water. It is a ceramic ware for laboratory use under heading 69.09.
6909.19.90Porcelain Spot Test Tile
A glazed porcelain tile with cavities for chemical spot tests in analytical laboratories. Fired after shaping, it is a ceramic ware for laboratory use under heading 69.09.
6909.19.90Porcelain Watch Glass
A concave porcelain dish used for covering lab vessels, evaporating liquids, or as a lid in technical processes. Fired after shaping, it is a ceramic ware for laboratory use under heading 69.09.
6909.19.90Reaction-Bonded Silicon Carbide Bearing Races
RBSC ceramic races for custom technical bearings in chemical processing plants. Reaction-bonded and fired for dimensional stability in aggressive environments, these races are classifiable under 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Silicon Carbide Ceramic Filter Crucible
A silicon carbide ceramic filter crucible, fired with an integrated filter, is used for separating solids in chemical filtration processes. Its high-melting-point carbide composition withstands aggressive chemicals and high temperatures. This product is classified under tariff item 6909.19.90 as ceramic ware for laboratory or chemical use.
6909.19.90Silicon Carbide Ceramic Sleeve Bearings
Silicon carbide ceramic sleeve (bushings) bearings for corrosive chemical processing equipment. High-fired for extreme hardness and chemical inertness in technical applications, these sleeves are classifiable under 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Silicon Nitride Ceramic Roller Bearings
Silicon nitride ceramic rollers for high-speed technical applications in chemical pumps and lab centrifuges. These fired ceramic components provide superior wear resistance and thermal stability in harsh environments, classifying them under 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Steatite Ceramic Lab Wash Basin
A fired steatite ceramic lab wash basin, resistant to chemicals and stains, is used for washing laboratory equipment. Its talc-based opaque stoneware-like body meets technical durability requirements in lab settings. This product falls under tariff item 6909.19.90 as ceramic ware for chemical use.
6909.19.90Technical Ceramic Desiccator Plate
A technical ceramic desiccator plate, fired with high-precision perforations, is used as a perforated shelf in laboratory desiccators to maintain dry environments. Its clay-silica blend provides stability and gas flow for efficient drying. This product is classified under tariff item 6909.19.90 as ceramic ware for other laboratory uses.
6909.19.90Titania-Doped Ceramic Bearing Inserts
TiO2-doped alumina ceramic inserts for self-lubricating technical bearings in chemical agitators. Fired with dopants for photocatalytic properties in lab settings, these inserts are classifiable under 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Twisted Ferrite Core Rope Memory
Twisted wire rope memory using ferrite cores threaded through fired ceramic bobbins for aerospace technical applications. The fired ceramic bobbins are essential for insulation and structural integrity, qualifying under 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Zirconia Ceramic Ball Bearings
High-precision zirconia ceramic ball bearings designed for laboratory equipment and chemical processing machinery. Fired from zirconium oxide at high temperatures, they offer exceptional hardness, corrosion resistance, and are classifiable under 6909.19.90 as other ceramic wares for technical uses.
6909.19.90Zirconia Ceramic Mortar and Pestle Set
A lab-grade zirconia ceramic mortar and pestle set, fired for grinding and mixing chemicals without contamination, features high hardness from oxide-based non-metallic materials. Its zirconia composition ensures chemical inertness and durability in laboratory use. This product falls under tariff item 6909.19.90 as ceramic ware for laboratory use.
6909.19.90Zirconia Toughened Alumina Bearing Balls
Zirconia toughened alumina (ZTA) ceramic bearing balls, fired for enhanced fracture toughness, are used in high-load technical bearings within laboratory stirrers. Their composite ceramic composition provides superior chemical resistance and durability in demanding laboratory environments. This product qualifies under tariff item 6909.19.90 as ceramic ware for laboratory or other technical uses.