Czochralski Puller Crucible Cooling Jacket from Japan
Water-cooled jacket surrounding the quartz crucible in Czochralski crystal pullers for semiconductor silicon production. Controls melt temperature gradients critical for crystal quality. Part of 8419.90.95.80 temperature machinery for semiconductor manufacturing.
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
• Include thermal conductivity specs and pressure ratings; document quartz crucible compatibility; ensure leak test certifications