Carbon Molecular Sieve Nitrogen PSA System from Japan
This PSA unit employs carbon molecular sieves with precise pore sizes to kinetically separate nitrogen from oxygen in compressed air, yielding high-purity N2 for food packaging and electronics. HTS 8421.39.0140 covers this dedicated gas separation machinery.
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%
Import Tips
• Submit sieve adsorption isotherm data to prove selective gas separation function
• Avoid bundling with compressors to prevent reclassification as complete air generation sets
• Declare CMS material safety data for hazardous material screening