Of fused quartz or other fused silica
Laboratory, hygienic or pharmaceutical glassware, whether or not graduated or calibrated. > Of fused quartz or other fused silica > Of fused quartz or other fused silica
Duty Rate (from China)
Products classified under Tariff item 7017.10.00
CVD Oxidation Furnace Quartz Liner Tube
> A fused silica liner tube designed for chemical vapor deposition (CVD) oxidation furnaces used in semiconductor manufacturing. It protects the furnace chamber while providing a clean, high-purity environment for wafer oxidation processes. This article is laboratory glassware of fused quartz, falling under tariff item 7017.10.00.
Fused Quartz Beaker
> A high-purity beaker made from fused quartz or fused silica, designed for laboratory use in handling corrosive chemicals and high-temperature reactions. It is a classic example of laboratory glassware of fused quartz, classified under tariff item 7017.10.00.
Fused Quartz Diffusion Reactor Tube
> A high-purity fused quartz tube for insertion into diffusion furnaces used in semiconductor wafer production. It withstands extreme temperatures and chemical exposure during doping processes, making it essential for controlled laboratory-like environments. This is laboratory glassware of fused quartz, classified under tariff item 7017.10.00.
Fused Quartz Distillation Apparatus
> A laboratory-scale distillation setup including condenser and receiver made from fused silica for ultra-pure separations. It is designed for scientific research and qualifies as laboratory glassware of fused quartz. This product falls under tariff item 7017.10.00.
Fused Quartz Melting Point Tube
> A capillary tube of fused silica for determining melting points in organic chemistry laboratories. It is calibrated for precise temperature observation and is a specialized laboratory glassware of fused quartz. This product is classified under tariff item 7017.10.00.
Fused Quartz Sample Boat
> A boat-shaped fused silica tray for holding samples during thermal gravimetric analysis in laboratories. It is designed for high-temperature stability and chemical inertness, making it laboratory glassware of fused quartz. This product falls under tariff item 7017.10.00.
Fused Silica Calorimetry Cell
> A precision cell for bomb calorimetry of fuels and organics in research labs, made of fused silica. It is designed for accurate thermal measurements and is a laboratory glassware of fused quartz. This product is classified under tariff item 7017.10.00.
Fused Silica Petri Dish
> A shallow cylindrical dish of fused silica used in laboratories for cell culture and microbial analysis under extreme conditions. It is a laboratory glassware of fused quartz, designed for high-temperature sterilization and chemical resistance. This product falls under tariff item 7017.10.00.
Fused Silica pH Electrode Jacket
> A protective fused quartz jacket for pH electrodes in harsh lab environments. It shields the electrode while allowing accurate measurements, serving as laboratory glassware of fused quartz. This product is classified under tariff item 7017.10.00.
Fused Silica Weighing Bottle
> A ground-glass stoppered bottle of fused quartz for precise sample weighing and storage in analytical chemistry labs. It is calibrated for accurate measurements and is a laboratory glassware of fused quartz. This product falls under tariff item 7017.10.00.
High-Purity Fused Quartz LPCVD Reactor Tube
> A precision fused quartz tube for low-pressure chemical vapor deposition (LPCVD) furnaces in semiconductor wafer processing. It features an ultra-smooth interior to prevent particle contamination during thin film deposition, ensuring high yield in manufacturing. This is laboratory glassware of fused quartz, classified under tariff item 7017.10.00.
Quartz Cuvette for Spectrophotometry
> A precision rectangular cell of fused quartz with optical-grade windows for UV-Vis spectroscopy in analytical labs. It is valued for its transparency to UV light and is a laboratory glassware of fused quartz. This product is classified under tariff item 7017.10.00.
Quartz Microreaction Vessel
> A miniaturized fused silica reactor vessel for microfluidic chemical synthesis in research labs. It is designed for high-pressure microscale reactions and is a laboratory glassware of fused quartz. This product falls under tariff item 7017.10.00.
Quartz NMR Tube
A thin-walled fused quartz tube designed for high-resolution NMR spectroscopy, offering ultra-low background signals essential for precise structural analysis. It qualifies as laboratory glassware of fused quartz under tariff item 7017.10.00, which covers such items made from fused quartz or other fused silica. Its specialized use in analytical laboratories distinguishes it from general glassware.
Quartz Vacuum Hydrolysis Tube
A sealable fused quartz tube used for hydrolysis reactions under vacuum in protein analysis laboratories. It falls under tariff item 7017.10.00 as laboratory glassware of fused quartz, valued for its chemical inertness and ability to withstand vacuum conditions. The product's design for specific lab processes aligns with the heading's scope.
Semiconductor Furnace Quartz Wafer Boat Holder
> A fused quartz holder designed to support multiple silicon wafer boats within diffusion and oxidation furnaces. It maintains precise alignment and thermal uniformity during semiconductor processing, functioning as laboratory glassware of fused quartz. This product falls under tariff item 7017.10.00.
Silica Chromatography Column
Fused silica column tubing for gas chromatography separations in analytical laboratories. This product is classified under tariff item 7017.10.00 as laboratory glassware of fused quartz or other fused silica, essential for precise chemical analysis. Its application in chromatography aligns with the heading's coverage of lab glassware.
Silica Crucible for Ashing
A cylindrical fused silica crucible used for high-temperature ashing of samples in muffle furnaces. It falls under tariff item 7017.10.00 as laboratory glassware of fused quartz, prized for its chemical inertness and heat resistance. The product's lab-specific function ensures classification within this heading.
Silica Gas Sampling Bulb
A fused silica bulb with a septum port for collecting and analyzing trace gases in environmental labs. It is classified under tariff item 7017.10.00 as laboratory glassware of fused quartz, supporting applications like chromatography prep. The bulb's design for gas sampling aligns with the heading's laboratory use.
Silica Quartz Oxidation Boat Holder
> A fused silica holder for wafer boats inserted into oxidation furnaces to grow oxide layers on semiconductor wafers. It is engineered for thermal stability and minimal contamination in high-temperature environments, serving as laboratory glassware of fused quartz. This is classified under tariff item 7017.10.00.