Czochralski Crystal Puller Mold Base from Japan
A precision mold base used in Czochralski crystal pullers for growing monocrystalline silicon boules in semiconductor wafer manufacturing. It falls under HTS 8480.49.0090 as a mold base for metal or metal carbides specifically designed for semiconductor processing 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
• Verify mold is specifically for semiconductor crystal growth to avoid reclassification under general machinery
• Provide detailed engineering specs and end-use certification for semiconductor manufacturing