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
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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