PQ Sodium Silicate Solution (Metasilicate Grade) from Japan
PQ Sodium Silicate is a liquid metasilicate solution (Na2O·xSiO2) produced commercially as a key sodium silicate under HTS 2839.11.00.00. It functions as a corrosion inhibitor in cooling systems and a binder in adhesives.
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
• Declare exact SiO2/Na2O ratio on commercial invoice to distinguish metasilicate from other silicates
• Use UN-approved drums for liquid transport due to alkaline corrosive nature
• Obtain prior notice via ACE for bulk chemical imports exceeding thresholds