Shaped Fireclay Refractory Brick for Glass Furnaces from Canada
Custom-shaped fireclay bricks designed specifically for glass tank furnace crowns and walls, resisting molten glass corrosion at 1500°C+. Made from selected clay blends and high-fired. Classed under 6902.90.10.10 as clay refractory bricks.
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
• Submit engineering drawings showing furnace-specific shapes to justify refractory construction classification
• Certify compliance with ASTM C27 standards for fireclay brick properties
• Document end-use as industrial furnace to prevent misclassification as general ceramic building material