Semiconductor Wafer Grinder Gasket Kit
Assortment of precision multi-layer metal gaskets with PTFE coating for sealing chambers in wafer grinding machines used in semiconductor fabrication. Classified in 8484.90.00.00 as dissimilar gasket sets in pouches, designed for cleanroom compatibility in crystal boule processing equipment.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If as machine parts
Gaskets dedicated solely to semiconductor grinders may classify as parts of semiconductor manufacturing machines.
If PTFE predominant
PTFE-coated gaskets with minimal metal often fall under other plastic sealing articles.
If elastomer primary material
If rubber/elastomer layers dominate over metal sheeting, classifies in rubber gaskets.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide end-use statement linking to semiconductor processing to support cleanroom material claims
• Sets must be pre-packaged; loose gaskets risk reclassification to 8484.10 or Chapter 39
• Avoid delays by certifying particle-free packaging suitable for wafer fab environments
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