Porous Hollow Ceramic Thermal Bricks

Fired ceramic hollow bricks with engineered porosity for optimal heat insulation in cavity wall systems. Classified HTS 6904.10.00.30 for heat insulating hollow building bricks per official definitions excluding unfired products. Provides breathable moisture control alongside thermal benefits.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

6914.90Lower: 15.6% vs 35%

If finished as ornamental ceramic construction elements

Decorative ceramic articles for buildings shift from building bricks to finished ware headings

6815.99Lower: 10% vs 35%

If containing significant non-ceramic fiber reinforcement

Articles with predominant non-ceramic materials classified by base material not ceramic

6901.00.00.00Same rate: 35%

If for kiln furniture or furnace lining support

High-temperature kiln applications classified as refractory products

Not sure which classification is right?

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Import Tips & Compliance

Maintain firing temperature records above 800°C threshold to prevent exclusion under chapter note (b)

Label bricks with technical specs including density and thermal conductivity values

Coordinate with freight forwarders experienced in ceramic construction goods to avoid breakage claims

Related Products under HTS 6904.10.00.30

Heat Insulating Ceramic Hollow Building Bricks

These hollow ceramic bricks are fired from clay and designed with internal voids to provide superior thermal insulation in building walls. They fall under HTS 6904.10.00.30 as heat insulating hollow building bricks, meeting Chapter 69 requirements for fired ceramic products used in construction. The structure minimizes heat transfer while maintaining structural integrity.

Thermal Insulated Hollow Clay Bricks for Walls

Fired hollow clay bricks engineered for low thermal conductivity, used in exterior and interior wall construction to enhance energy efficiency. Classified under HTS 6904.10.00.30 due to their heat insulating properties and hollow design meeting ceramic building brick specifications. Ideal for passive house standards and green building projects.

Low-Density Hollow Insulating Ceramic Bricks

Lightweight hollow bricks made from fired ceramic materials with voids for exceptional heat insulation in residential construction. HTS 6904.10.00.30 classification applies to these heat insulating hollow building bricks per fired ceramic building material definitions. Reduces heating costs in energy-efficient homes.

Energy-Saving Hollow Heat Insulation Bricks

Hollow ceramic bricks specifically formulated for heat insulation, fired to create porous structure for superior thermal performance in buildings. Falls under HTS 6904.10.00.30 as heat insulating hollow bricks meeting Chapter 69 firing and ceramic composition requirements. Commonly used in sustainable architecture.

Hollow Insulating Fireclay Building Bricks

Heat insulating hollow bricks made from fired fireclay suitable for moderate temperature construction applications. HTS 6904.10.00.30 covers these ceramic building bricks designed specifically for thermal insulation through hollow core construction. Balances durability with energy efficiency.

Lightweight Hollow Thermal Ceramic Blocks

Fired lightweight hollow ceramic blocks optimized for heat insulation in multi-story residential construction. Classified under HTS 6904.10.00.30 as heat insulating hollow building bricks meeting fired ceramic construction material standards. Accelerates construction while improving thermal envelope.