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3810.90.20.00/Chromic Acid Metal Etching Solution/Japan

Chromic Acid Metal Etching Solution from Japan

Dilute chromic acid with sulfuric acid for etching titanium alloys before anodizing. Wholly inorganic preparation selectively removes oxide films, classified 3810.90.2000 as pickling auxiliary. Aerospace and medical implant use.

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

• TSCA Section 8 reporting for chromium VI compounds

• Oxidizer placarding (Division 5.1); neutralization mandatory