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Molded Calcium Silicate Fireproof Board Panels from Japan

Fire-rated panels molded from calcium silicate for use in building partitions and protective enclosures in industrial settings. HTS 6806.90.00.20 covers these as sound/heat-insulating articles, distinct from ceramic or asbestos products.

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

• Obtain fire test certifications (e.g

• ASTM E84) to substantiate insulating properties during customs review

• Label clearly as 'molded calcium silicate' to prevent confusion with gypsum boards in other chapters