</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
3816.00.20.50/Alumina-Silicate Patch Refractory Mortar/Japan

Alumina-Silicate Patch Refractory Mortar from Japan

Quick-setting mortar for patching cracks in rotary kilns, containing mullite and clay. Classified HTS 3816.00.20.50 as other refractory mortar for cement plant use up to 1550°C. Trowel-applied with rapid dry-out capability.

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%
Calculate with your customs valueVerify classification with AI

Import Tips

• Set time (<30 min) and bond strength tests mandatory

• Kiln rotation compatibility noted in technical data sheets