Alumina-Silica Kiln Furniture Shelf from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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