Boule Annealing Furnace from Canada
Furnace for annealing silicon boules in quartz tubes to relieve stresses post-growth, hot working glass envelopes. HTS 8475.29.00.00 for semiconductor glassware processing. Improves crystal quality.
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
• Specify quartz tube dimensions; thermal ramp data required
• Pitfall: general oven classification