High-Purity Silica Crucible Puller from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Crucible material purity specs (>99.999%) documentation essential
• Distinguish from semiconductor CZ pullers (statistical notes)
• Rotation speed control system details