Citric Acid Passivation Solution from Japan
Chelated citric acid solution for stainless steel passivation after pickling operations. Classified HTS 3810.90.5000 as metal surface preparation following pickling, restoring chromium oxide layer. Environmentally friendly nitric acid replacement.
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
• Passivation time/temp specs per ASTM A967 validate metal prep use
• Biodegradable claims require OECD 301 testing documentation
• 4-10% concentration range prevents food additive reclassification