8414.90.91.40/Vacuum Pump Foreline Trap Assembly/Canada

Vacuum Pump Foreline Trap Assembly from Canada

Foreline trap assemblies capture contaminants in the rough vacuum line of turbopumps for semiconductor crystal growth systems. Under HTS 8414.90.91.40 as vacuum pump parts for processing silicon boules into wafers. Prevents oil backstreaming into high-vacuum chambers.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

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Import Tips

• Include pump compatibility data (e.g

• for Pfeiffer or Edwards models) in entry docs

• Declare as 'cleanroom compatible' materials (e.g

• PFA-lined) for proper valuation