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.
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 crucible is made of refractory materials other than fused quartz
Refractory ceramic goods are classified in Chapter 69, so non-quartz crucibles may shift there.
If the crucible is made of glass other than fused quartz
Residual heading for laboratory glassware of other glass types.
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
• Confirm the crucible's fused silica content with a certificate of analysis for CBSA
• Specify its use in high-temperature ashing to support classification
• Verify that the crucible is not considered a refractory article, which could fall under Chapter 69
Related Products 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.