</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Silicon Ingot Molds for Semiconductor Production from Japan

Quartz or graphite molds for growing silicon ingots via Czochralski process in semiconductor wafer manufacturing, aligning with statistical notes for crystal growth. Used in metallurgy-like polysilicon casting. Fits HTS 8454.20.00 as ingot molds.

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

Link to semiconductor statistical notes with process affidavits

High purity certs required; contamination risks trigger scrutiny

ITAR/EAR checks if dual-use for advanced materials