Anhydrous Sodium Silicate Powder from Japan
Dehydrated powder of sodium silicate used in specialty ceramics and investment casting. Classified in HTS 2839.90.5000 as an 'other' form of commercial sodium silicate, lacking water of hydration.
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 anhydrous status with moisture analysis to prevent hydrate misclassification
• Dust hazard precautions required; use proper SDS for customs clearance
• Industrial buyers often need end-use certificates for verification