High-Purity Silica Crucible Puller from Canada
Machine pulls optical quality silica boules from high-purity quartz crucibles using precise rotation and translation for preform slicing. Electric heating elements maintain stable melt. HTS 8475.21.00.00 classification for optical fiber production equipment.
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
• Crucible material purity specs (>99.999%) documentation essential
• Distinguish from semiconductor CZ pullers (statistical notes)
• Rotation speed control system details