Silicon Ingot Annealing Oven from Canada
Temperature-controlled annealing equipment for stress-relief in silicon ingots post-growth, using ramped heating and slow cooling cycles. Though oven-like, classified under HTS 8419.39.0280 excluding 8514 furnaces, for material treatment via temperature change. Used before boule grinding.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Distinguish from 8514 furnaces by providing non-furnace process specs
• Thermal chamber calibration certificates aid classification
• Avoid bulk import without serial numbers for traceability