New

Ask Wove anything about tariffs.

Try Tariff Assistant

Phosphoric Acid Metal Pickler from Japan

A gel-formulation phosphoric acid pickler for rust conversion and surface preparation on ferrous metals. HTS 3810.90.5000 classification applies to this metal surface pickling preparation, ideal for on-site maintenance without fuming issues. Contains inhibitors for flash rust prevention.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

• pH verification (typically <2.0) confirms pickling classification vs general cleaners

• Gel viscosity specs prevent liquid acid reclassification under 2809.20

• Include flash rust inhibitor certificates for automotive/marine approvals