Crystal Puller Chamber Gasket
A high-vacuum multi-layer gasket made of stainless steel with silver plating, used in Czochralski crystal puller chambers for wafer manufacturing. Its layered metal construction combined with vacuum sealing materials falls under tariff item 8484.10.00.
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 gasket is specifically designed for semiconductor manufacturing equipment
Parts of semiconductor manufacturing machines are classified under heading 84.86.
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
• Declare the gasket as a multi-layer metal gasket with silver plating for vacuum applications
• Be prepared to demonstrate that the gasket is not a semiconductor manufacturing machine part, which would fall under heading 84.86
• Keep records of the gasket's dimensions and materials for CBSA verification
Related Products under Tariff item 8484.10.00
Automotive Head Gasket
A multi-layer steel head gasket with elastomeric coatings, designed to seal the cylinder head to the engine block in internal combustion engines. Its construction from two or more layers of metal sheeting combined with non-metallic material qualifies it under tariff item 8484.10.00.
Boiler Flange Composite Gasket
A Kammprofile gasket with a grooved steel core and soft iron facing, used for high-pressure steam boiler flanges. The two-layer metal sheeting with an integrated sealing overlay places it under tariff item 8484.10.00.
Cylinder Head Gasket for Diesel Engines
A three-layer steel gasket with wire bead reinforcement, designed for heavy-duty diesel engines. The multi-layer steel (MLS) construction with two or more layers of metal sheeting qualifies it under tariff item 8484.10.00.
Exhaust Flange Repair Gasket Kit
An assortment kit of multi-layer steel exhaust gaskets in varying thicknesses, packaged in retail pouches. As a set of gaskets of dissimilar composition, it falls under tariff item 8484.10.00.
Exhaust Manifold Gasket Set
A set of gaskets combining multi-layer steel with graphite facing, used for sealing exhaust manifolds to cylinder heads. The combination of metal sheeting and graphite places it under tariff item 8484.10.00.
Flange Gasket for Industrial Pipes
A spiral-wound gasket made of alternating stainless steel layers and graphite filler, used for high-pressure pipe flanges in chemical plants. Its multi-layer metal sheeting combined with graphite qualifies it under tariff item 8484.10.00.