Zinc Oxide Concrete Corrosion Inhibitor from Japan
An inorganic powder additive containing zinc oxide compounds designed to inhibit corrosion of steel reinforcement in concrete structures. It qualifies for HTS 3824.40.20.00 as a prepared inorganic additive specifically for cement and concrete use. The zinc reacts to form protective layers on rebar surfaces.
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
• Confirm zinc content via assay certificate; ensure dosage instructions match concrete mix designs; watch for reclassification if marketed as general paint pigment