Alumina-Silica Kiln Furniture Shelf from Mexico
Refractory shelf made from 60% alumina-40% silica mixture for supporting ware in ceramic kilns. High-temperature fired ceramic designed for repeated thermal cycling, HTS 6903.20.00.00 classification.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document exact Al2O3/SiO2 ratio via spectrographic analysis
• Specify 'kiln furniture' use to differentiate from building materials
• Pack individually to maintain individual article classification