</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
8481.30.10.90/Brass Non-Return Valve for Crystal Puller Gas Systems/Japan

Brass Non-Return Valve for Crystal Puller Gas Systems from Japan

A brass check valve rated over 850 kPa for argon or nitrogen gas lines in Czochralski crystal pullers, ensuring unidirectional flow to maintain ultra-pure monocrystalline silicon boule growth. Classified under HTS 8481.30.10.90 for its copper alloy construction and high-pressure semiconductor application.

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 valueVerify classification with AI

Import Tips

• Provide material test reports confirming copper/brass alloy; check for RoHS compliance in semiconductor supply chains; register with customs for high-value tech equipment valuations

Brass Non-Return Valve for Crystal Puller Gas Systems from Japan — Import Duty Rate | HTS 8481.30.10.90