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Heat Insulating Ceramic Wall Bricks from Japan

Fired clay bricks with heat insulating properties for energy-efficient building walls, shaped and fired per Chapter 69 standards. HTS 6905.90.0010 covers these as other ceramic constructional goods emphasizing insulation.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

• Include firing certificates and water absorption tests (<3% for stoneware-like); distinguish from refractory bricks; ensure R-value documentation for insulation claims