Float Zone Crystal Grower Circulation Pump Diffuser from United States
This custom diffuser is designed for circulation pumps in float zone crystal growers, optimizing argon gas-liquid flow for pure silicon production. It ensures defect-free monocrystalline growth by maintaining stable fluid dynamics. As a part of a liquid pump, it is classified under tariff item 8413.91.00.
Duty Rate — United States → Canada
25%
Rate breakdown
26SUR2525%United States Surtax Order (2026) — 25% on US products
Import Tips
• Classify the diffuser as a pump part under 8413.91.00, ensuring it is not declared as a general flow control device
• Provide the pump model and the crystal growing application to support classification
• Confirm the diffuser's material and design specifications for CBSA