8401.20.00.00/Gaseous Diffusion Barrier Modules/Japan

Gaseous Diffusion Barrier Modules from Japan

Porous membrane modules that enable selective diffusion of lighter isotopes through microscopic pores in UF6 gas streams. Classified in HTS 8401.20.00.00 as parts of isotopic separation apparatus.

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 pore size distribution and permeability test certificates

• Track nickel or aluminum alloy content for dual-use material controls