Silicon Ingot Annealing Oven from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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