Float Zone Crystal Furnace Heat Exchanger from Canada
RF-heated zone furnace heat exchanger for float zone purification of silicon rods into monocrystalline material for wafer production. HTS 8419.90.30.00 covers it as part of heat exchange units in high-temperature semiconductor crystal processing machinery. Manages radiative and convective heat for impurity segregation.
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
• Provide float zone process validation data and thermal modeling; comply with EAR/ITAR if high-purity specs exceed commercial thresholds
• Pitfall: generic 'furnace part' descriptions lead to 8514 misclassification