Boule Annealing Furnace from Mexico
A Boule Annealing Furnace is an industrial furnace used to anneal silicon boules inside quartz (glass) tubes, relieving internal stresses after crystal growth. It operates by heating the glass envelope to high temperatures, which qualifies as hot working of glassware. This machine is essential for improving the crystal quality of semiconductor materials.
Duty Rate — Mexico → Canada
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Import Tips
• Ensure the furnace is declared as a machine for hot working glass, not as semiconductor manufacturing equipment, to avoid misclassification
• Provide technical documentation showing the quartz tube heating function
• Check if the furnace requires any electrical safety certifications (e.g
• CSA) before importation