8439.10.00.90/Used Float Zone Crystal Grower/Japan

Used Float Zone Crystal Grower from Japan

A used float zone furnace for growing high-purity silicon crystals by melting a polycrystalline rod without a crucible. It aligns with statistical note (a)(i) for crystal growers in semiconductor wafer prep, classified as used machinery under 8439.10.0090 for pulp-making processes involving fibrous cellulosic semiconductor substrates.

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

• Provide evidence of operational hours (>1000) to confirm 'used' status and prevent new import duties

• Label with clear 'Used Industrial Machinery' markings for customs to avoid valuation disputes

• Check for hazardous material certifications from prior silicon doping processes