High-Silica Alumina Kiln Shelf from Japan
Kiln furniture shelves with 65% silica and 30% alumina for supporting pottery during firing. Refractory ceramic slabs shaped and fired per Chapter 69 standards. HTS 6902.20.50.20 for other alumina-silica constructional goods.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify load-bearing capacity to confirm constructional refractory purpose
• Avoid shipping with glazes; contamination leads to reclassification risks
• Document flatness tolerances; warped shelves may face quality disputes