Acid-Resistant Fireclay Refractory Brick from United States
An acid-resistant fireclay refractory brick engineered for service in chemical processing kilns where acidic slags and gases are present. Fired from high-silica clay at temperatures between 1350°C and 1500°C, it provides durable performance in corrosive environments. This product qualifies under tariff item 6902.90.00 as a refractory ceramic constructional good other than those of siliceous fossil meals.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the bricks are fully fired after shaping, as Chapter 69 excludes articles heated below 800°C
• Provide a commercial invoice with the exact composition and firing temperature to support classification
• Verify whether the goods qualify for any free trade agreement preference to reduce duty