9027.90.84.00/Porosimeter Sample Stage/Japan

Porosimeter Sample Stage from Japan

Precision stage for mercury intrusion porosimeters (9027.89) measuring pore size distribution. Includes vacuum seals and positioning controls. 9027.90.84.00 accessory for porosity testers.

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

• Document max pressure (30,000 psi) and sample size capacity

• High-pressure seals require material safety declarations

• Generic stages may classify under 8479 lab equipment