Czochralski Crystal Puller Compressor from Canada
A rotary compressor integral to Czochralski crystal pullers used for producing monocrystalline silicon boules in semiconductor wafer manufacturing. Classified under HTS 8414.80.20.55 as it is a rotary compressor not exceeding 186.5 kW, specifically for gas compression in crystal growth processes. Excludes standalone testing apparatus covered in Chapter 90.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify motor power rating documentation to confirm ≤186.5 kW threshold for this subheading
• Provide detailed technical specs proving semiconductor manufacturing use to avoid reclassification
• Ensure CE marking or equivalent for safety compliance in high-vacuum gas handling systems