7019.64.90.30/Silica Filament Plain Weave Fabric for Aerospace Insulation/China

Silica Filament Plain Weave Fabric for Aerospace Insulation from China

This is a closed woven, plain weave fabric made from silica filaments with over 93% silica content, coated for enhanced durability and heat resistance. It falls under HTS 7019.64.90.30 as a mechanically bonded, colored, laminated silica filament fabric used primarily for thermal insulation in aircraft engines and space vehicles. The high silica purity provides exceptional performance in extreme high-temperature environments.

Duty Rate — China → United States

24.5%

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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
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Import Tips

• Verify silica content certification exceeding 93% through independent lab testing, as required for (622) statistical suffix

• Ensure documentation proves mechanical bonding and lamination processes to avoid reclassification to simpler woven fabrics

• Check for colored coating specifications; plain/uncolored versions may fall under different subheadings