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Super-Duty Fireclay Refractory Brick

A premium super-duty fireclay brick with superior creep resistance for crown construction in reheating furnaces serving at 1500°C+. Its low iron formulation enhances slag resistance. This product is classified under tariff item 6902.90.00 as a refractory ceramic constructional good.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

6902.10.00Same rate: Free

If the brick contains over 50% magnesia, lime, or chromium oxide

This alternative covers refractory bricks with a high basic oxide content.

6903.90.00Same rate: Free

If the brick is made from non-clay materials

Heading 6903 applies to refractory articles of other materials.

6901.00.00Same rate: Free

If the brick is made from siliceous fossil meals

Such goods are excluded from heading 6902.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Document the low iron content and firing temperature to support classification

• Ensure the bricks are fired after shaping per Chapter 69

• Provide the manufacturer's specifications to CBSA for verification

Related Products under Tariff item 6902.90.00

90% Alumina Refractory Bricks

90% alumina refractory bricks are high-purity ceramic constructional goods fired after shaping, designed for critical zones in aluminum smelters and cement kilns. Their high fired density and resistance to molten metal and alkali corrosion qualify them as refractory ceramic products under this tariff item.

Acid-Resistant Fireclay Refractory Brick

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.

Andalusite Refractory Brick

Andalusite refractory bricks incorporate andalusite for enhanced thermal shock resistance, ideal for coke oven doors and reheat furnace roofs. They are fired ceramic goods shaped from clay-silica mixes. This product is classified under tariff item 6902.90.00 as a refractory ceramic constructional good.

Andalusite Refractory Bricks

Andalusite refractory bricks are fired ceramic constructional goods that incorporate andalusite to form mullite, offering excellent thermal shock resistance for coke ovens and reheat furnaces. Their dimensional stability and high-temperature performance place them under this tariff item for other refractory bricks.

Andalusite Refractory Tile

Andalusite refractory tiles are fired from andalusite ore to produce a product with excellent thermal shock resistance, ideal for torpedo ladle linings in steel plants. The tiles are shaped and fired to withstand rapid temperature changes and slag attack. They are classified under tariff item 6902.90.00 as refractory ceramic constructional goods other than those of siliceous fossil meals.

Bauxite-Based Refractory Bricks

Bauxite-based refractory bricks are fired ceramic constructional goods made from calcined bauxite aggregate, providing economical high-duty performance for rotary cement kilns. Their spinel bonding developed during firing enhances slag penetration resistance, classifying them under this tariff item.