Lithium Silicate and Colloidal Silica Hardener from Mexico
Nano-engineered mixture of lithium silicate and colloidal silica for ultra-thin foundry coatings and precision mold faces. HTS 3824.99.39.90 covers this high-performance inorganic binder system. Delivers surface hardness exceeding 9H pencil for defect-free castings.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide nano-particle size distribution analysis; verify colloidal stability data; comply with REACH-equivalent labeling for lithium compounds