High-Purity Silica Crucible Puller from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Crucible material purity specs (>99.999%) documentation essential
• Distinguish from semiconductor CZ pullers (statistical notes)
• Rotation speed control system details