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8421.39.01.40/Biogas Methane Membrane Separation Skid/Japan

Biogas Methane Membrane Separation Skid from Japan

Integrated skid with multiple membrane stages upgrades biogas by separating methane from CO2, H2S, and water vapor for pipeline-quality RNG. Falls under HTS 8421.39.0140 as gas separation equipment for renewable energy.

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%
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Import Tips

• Specify biogas inlet composition (55-65% CH4) and outlet purity specs

• Certify H2S-resistant membrane materials for hazardous gas handling

• Coordinate with EPA RIN program documentation for renewable credits

Biogas Methane Membrane Separation Skid from Japan — Import Duty Rate | HTS 8421.39.01.40