8481.90.90.40/Float Zone Crystal Grower Vacuum Valve/Japan

Float Zone Crystal Grower Vacuum Valve from Japan

Vacuum control valve for float zone methods in growing high-purity semiconductor crystals from which wafers are sliced. Classified as HTS 8481.90.9040 for its role as a 8481.20 valve part in crystal grower 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%

Calculate with your customs value Verify classification with AI

Import Tips

• Certify vacuum ratings (e.g

• 10^-8 Torr) matching statistical note equipment specs

• Pair with process flow diagrams showing valve integration in growers

• Avoid re-export issues by tracking dual-use tech declarations