Medium-Duty Fireclay Refractory Brick
Versatile medium-duty fireclay brick for general high-temperature applications like pottery kilns and backup furnace linings up to 1450°C. Balanced properties of strength and insulation. Clay construction fits HTS 6902.90.10.10 perfectly.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other refractory compositions like zircon
Non-clay, non-aluminous refractories collect in residual 'other' subheading.
If for artistic ceramic sculptures
Chapter 69 excludes Chapter 97 works of art; decorative pieces reclassified.
If calcined clay without brick forming
Raw kaolin/fired clays remain Chapter 25 materials until shaped into goods.
Not sure which classification is right?
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Import Tips & Compliance
• Reference Orton PCE 29-31 range in import docs for medium-duty specification
• Containerize with moisture-absorbing agents; clay products sensitive to shipping humidity
Related Products under HTS 6902.90.10.10
High-Alumina Fireclay Refractory Brick
A dense refractory brick made primarily from fireclay, fired at high temperatures to withstand extreme heat up to 1700°C. Used in furnace linings and kilns for its excellent thermal shock resistance and abrasion resistance. Classified under HTS 6902.90.10.10 as a clay-based refractory brick, distinct from siliceous or high-silica variants.
Standard Fireclay Refractory Brick
Standard-sized refractory brick composed of fireclay, designed for boiler and incinerator linings with service temperatures up to 1500°C. Offers good mechanical strength and chemical resistance to slags. Falls under HTS 6902.90.10.10 specifically for clay-composed refractory bricks other than siliceous types.
Shaped Fireclay Refractory Brick for Glass Furnaces
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.
Fireclay Checker Brick for Regenerators
Perforated fireclay bricks arranged in checkerwork patterns for heat recovery regenerators in glass and steelmaking furnaces. Optimized channels for gas flow at 1300-1400°C service. Specifically clay refractory bricks under HTS 6902.90.10.10.
Super-Duty Fireclay Refractory Brick
Premium super-duty fireclay brick with superior creep resistance for crown construction in reheating furnaces serving at 1500°C+. Low iron formulation enhances slag resistance. HTS 6902.90.10.10 clay brick classification.
Plastic Fireclay Refractory Brick
Fireclay brick produced via plastic forming method for complex shapes in boiler settings and ladle backup. Excellent workability and fired strength up to 1480°C. Clay-based refractory brick under 6902.90.10.10.