High-Silica Alumina Kiln Shelf from China
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 — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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