Perlite Aggregate Insulating Ceramic Brick
Fired solid brick containing expanded perlite for lightweight heat insulation, ideal for passive house construction and cavity walls. HTS 6904.10.0010 applies to these solid building bricks with ceramic fired body and thermal insulating properties per Chapter 69 definitions.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If hollow, cellular, or not solid construction
6904.90 covers other ceramic building bricks excluding solid bricks; internal structure determines subheading.
If primarily cement-based with minimal clay content
Articles of plaster/cement exclude ceramic building bricks; predominant material composition governs classification.
If refractory grade for high-temperature industrial use
Containing >50% alumina/magnesia, these classify as refractory bricks under 6902 regardless of insulation function.
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Import Tips & Compliance
• 1
• Provide kiln firing records (>800°C) distinguishing from cured resin products excluded by Chapter notes. 2
• Thermal performance documentation essential for 'heat insulating' verification. 3
• Ensure dimensions qualify as building bricks, not tiles (<3.2cm thick)
Related Products under HTS 6904.10.00.10
Heat Insulating Ceramic Solid Building Brick
A solid ceramic building brick fired after shaping from inorganic nonmetallic materials like clays and lightweight aggregates, designed specifically for heat insulation in construction. It falls under HTS 6904.10.0010 as a solid building brick with thermal insulating properties, meeting Chapter 69 requirements for fired ceramic products not classifiable in headings 6901-6903. Thickness exceeds US note limits for tiles, confirming building brick classification.
Vermiculite Ceramic Insulating Brick
Solid building brick incorporating expanded vermiculite aggregate in a fired clay matrix for superior thermal resistance, used in energy-efficient wall construction. Classified under HTS 6904.10.0010 as heat insulating solid bricks meeting fired ceramic criteria with low thermal conductivity (<0.2 W/mK). Exceeds tile thickness per US notes.
Foamglass Ceramic Insulating Brick
Solid brick made from cellular glass (foamglass) fired into durable heat insulating ceramic form for foundation walls and roof insulation. Falls under HTS 6904.10.0010 as solid building bricks meeting fired ceramic requirements with exceptional low thermal conductivity.
Diatomaceous Earth Ceramic Insulating Brick
Solid fired brick incorporating diatomaceous earth for high-temperature insulation in building envelopes. HTS 6904.10.0010 classification for heat insulating solid ceramic building bricks per fired ceramic definitions.